25557870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 67368888

約数和(自身を除く): 41811018

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 169, 195, 213, 338, 355, 390, 426, 507, 710, 845, 923, 1014, 1065, 1690, 1846, 2130, 2535, 2769, 4615, 5041, 5070, 5538, 9230, 10082, 11999, 13845, 15123, 23998, 25205, 27690, 30246, 35997, 50410, 59995, 65533, 71994, 75615, 119990, 131066, 151230, 179985, 196599, 327665, 359970, 393198, 655330, 851929, 982995, 1703858, 1965990, 2555787, 4259645, 5111574, 8519290, 12778935, 25557870]

約数ペア:

[(1, 25557870), (2, 12778935), (3, 8519290), (5, 5111574), (6, 4259645), (10, 2555787), (13, 1965990), (15, 1703858), (26, 982995), (30, 851929), (39, 655330), (65, 393198), (71, 359970), (78, 327665), (130, 196599), (142, 179985), (169, 151230), (195, 131066), (213, 119990), (338, 75615), (355, 71994), (390, 65533), (426, 59995), (507, 50410), (710, 35997), (845, 30246), (923, 27690), (1014, 25205), (1065, 23998), (1690, 15123), (1846, 13845), (2130, 11999), (2535, 10082), (2769, 9230), (4615, 5538), (5041, 5070)]