2289040

素因数分解:

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

素因数の和:128

約数の個数: 80

約数和(自身を含む): 5999616

約数和(自身を除く): 3710576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 71, 80, 104, 124, 130, 142, 155, 208, 248, 260, 284, 310, 355, 403, 496, 520, 568, 620, 710, 806, 923, 1040, 1136, 1240, 1420, 1612, 1846, 2015, 2201, 2480, 2840, 3224, 3692, 4030, 4402, 4615, 5680, 6448, 7384, 8060, 8804, 9230, 11005, 14768, 16120, 17608, 18460, 22010, 28613, 32240, 35216, 36920, 44020, 57226, 73840, 88040, 114452, 143065, 176080, 228904, 286130, 457808, 572260, 1144520, 2289040]

約数ペア:

[(1, 2289040), (2, 1144520), (4, 572260), (5, 457808), (8, 286130), (10, 228904), (13, 176080), (16, 143065), (20, 114452), (26, 88040), (31, 73840), (40, 57226), (52, 44020), (62, 36920), (65, 35216), (71, 32240), (80, 28613), (104, 22010), (124, 18460), (130, 17608), (142, 16120), (155, 14768), (208, 11005), (248, 9230), (260, 8804), (284, 8060), (310, 7384), (355, 6448), (403, 5680), (496, 4615), (520, 4402), (568, 4030), (620, 3692), (710, 3224), (806, 2840), (923, 2480), (1040, 2201), (1136, 2015), (1240, 1846), (1420, 1612)]