25607920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24623}}^1$

素因数の和:24649

約数の個数: 40

約数和(自身を含む): 64120896

約数和(自身を除く): 38512976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24623, 49246, 98492, 123115, 196984, 246230, 320099, 393968, 492460, 640198, 984920, 1280396, 1600495, 1969840, 2560792, 3200990, 5121584, 6401980, 12803960, 25607920]

約数ペア:

[(1, 25607920), (2, 12803960), (4, 6401980), (5, 5121584), (8, 3200990), (10, 2560792), (13, 1969840), (16, 1600495), (20, 1280396), (26, 984920), (40, 640198), (52, 492460), (65, 393968), (80, 320099), (104, 246230), (130, 196984), (208, 123115), (260, 98492), (520, 49246), (1040, 24623)]