25114960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 69995520

約数和(自身を除く): 44880560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 41, 52, 62, 65, 76, 80, 82, 95, 104, 124, 130, 152, 155, 164, 190, 205, 208, 247, 248, 260, 304, 310, 328, 380, 403, 410, 494, 496, 520, 533, 589, 620, 656, 760, 779, 806, 820, 988, 1040, 1066, 1178, 1235, 1240, 1271, 1520, 1558, 1612, 1640, 1976, 2015, 2132, 2356, 2470, 2480, 2542, 2665, 2945, 3116, 3224, 3280, 3895, 3952, 4030, 4264, 4712, 4940, 5084, 5330, 5890, 6232, 6355, 6448, 7657, 7790, 8060, 8528, 9424, 9880, 10127, 10168, 10660, 11780, 12464, 12710, 15314, 15580, 16120, 16523, 19760, 20254, 20336, 21320, 23560, 24149, 25420, 30628, 31160, 32240, 33046, 38285, 40508, 42640, 47120, 48298, 50635, 50840, 61256, 62320, 66092, 76570, 81016, 82615, 96596, 101270, 101680, 120745, 122512, 132184, 153140, 162032, 165230, 193192, 202540, 241490, 264368, 306280, 313937, 330460, 386384, 405080, 482980, 612560, 627874, 660920, 810160, 965960, 1255748, 1321840, 1569685, 1931920, 2511496, 3139370, 5022992, 6278740, 12557480, 25114960]

約数ペア:

[(1, 25114960), (2, 12557480), (4, 6278740), (5, 5022992), (8, 3139370), (10, 2511496), (13, 1931920), (16, 1569685), (19, 1321840), (20, 1255748), (26, 965960), (31, 810160), (38, 660920), (40, 627874), (41, 612560), (52, 482980), (62, 405080), (65, 386384), (76, 330460), (80, 313937), (82, 306280), (95, 264368), (104, 241490), (124, 202540), (130, 193192), (152, 165230), (155, 162032), (164, 153140), (190, 132184), (205, 122512), (208, 120745), (247, 101680), (248, 101270), (260, 96596), (304, 82615), (310, 81016), (328, 76570), (380, 66092), (403, 62320), (410, 61256), (494, 50840), (496, 50635), (520, 48298), (533, 47120), (589, 42640), (620, 40508), (656, 38285), (760, 33046), (779, 32240), (806, 31160), (820, 30628), (988, 25420), (1040, 24149), (1066, 23560), (1178, 21320), (1235, 20336), (1240, 20254), (1271, 19760), (1520, 16523), (1558, 16120), (1612, 15580), (1640, 15314), (1976, 12710), (2015, 12464), (2132, 11780), (2356, 10660), (2470, 10168), (2480, 10127), (2542, 9880), (2665, 9424), (2945, 8528), (3116, 8060), (3224, 7790), (3280, 7657), (3895, 6448), (3952, 6355), (4030, 6232), (4264, 5890), (4712, 5330), (4940, 5084)]