25179440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 71995392

約数和(自身を除く): 46815952

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 71, 80, 88, 104, 110, 124, 130, 142, 143, 155, 176, 208, 220, 248, 260, 284, 286, 310, 341, 355, 403, 440, 496, 520, 568, 572, 620, 682, 710, 715, 781, 806, 880, 923, 1040, 1136, 1144, 1240, 1364, 1420, 1430, 1562, 1612, 1705, 1846, 2015, 2201, 2288, 2480, 2728, 2840, 2860, 3124, 3224, 3410, 3692, 3905, 4030, 4402, 4433, 4615, 5456, 5680, 5720, 6248, 6448, 6820, 7384, 7810, 8060, 8804, 8866, 9230, 10153, 11005, 11440, 12496, 13640, 14768, 15620, 16120, 17608, 17732, 18460, 20306, 22010, 22165, 24211, 27280, 28613, 31240, 32240, 35216, 35464, 36920, 40612, 44020, 44330, 48422, 50765, 57226, 62480, 70928, 73840, 81224, 88040, 88660, 96844, 101530, 114452, 121055, 143065, 162448, 176080, 177320, 193688, 203060, 228904, 242110, 286130, 314743, 354640, 387376, 406120, 457808, 484220, 572260, 629486, 812240, 968440, 1144520, 1258972, 1573715, 1936880, 2289040, 2517944, 3147430, 5035888, 6294860, 12589720, 25179440]

約数ペア:

[(1, 25179440), (2, 12589720), (4, 6294860), (5, 5035888), (8, 3147430), (10, 2517944), (11, 2289040), (13, 1936880), (16, 1573715), (20, 1258972), (22, 1144520), (26, 968440), (31, 812240), (40, 629486), (44, 572260), (52, 484220), (55, 457808), (62, 406120), (65, 387376), (71, 354640), (80, 314743), (88, 286130), (104, 242110), (110, 228904), (124, 203060), (130, 193688), (142, 177320), (143, 176080), (155, 162448), (176, 143065), (208, 121055), (220, 114452), (248, 101530), (260, 96844), (284, 88660), (286, 88040), (310, 81224), (341, 73840), (355, 70928), (403, 62480), (440, 57226), (496, 50765), (520, 48422), (568, 44330), (572, 44020), (620, 40612), (682, 36920), (710, 35464), (715, 35216), (781, 32240), (806, 31240), (880, 28613), (923, 27280), (1040, 24211), (1136, 22165), (1144, 22010), (1240, 20306), (1364, 18460), (1420, 17732), (1430, 17608), (1562, 16120), (1612, 15620), (1705, 14768), (1846, 13640), (2015, 12496), (2201, 11440), (2288, 11005), (2480, 10153), (2728, 9230), (2840, 8866), (2860, 8804), (3124, 8060), (3224, 7810), (3410, 7384), (3692, 6820), (3905, 6448), (4030, 6248), (4402, 5720), (4433, 5680), (4615, 5456)]