25911880

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{983}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 58449600

約数和(自身を除く): 32537720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 983, 1318, 1966, 2636, 3295, 3932, 4915, 5272, 6590, 7864, 9830, 13180, 19660, 26360, 39320, 647797, 1295594, 2591188, 3238985, 5182376, 6477970, 12955940, 25911880]

約数ペア:

[(1, 25911880), (2, 12955940), (4, 6477970), (5, 5182376), (8, 3238985), (10, 2591188), (20, 1295594), (40, 647797), (659, 39320), (983, 26360), (1318, 19660), (1966, 13180), (2636, 9830), (3295, 7864), (3932, 6590), (4915, 5272)]