64466480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61987}}^1$

素因数の和:62013

約数の個数: 40

約数和(自身を含む): 161416752

約数和(自身を除く): 96950272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61987, 123974, 247948, 309935, 495896, 619870, 805831, 991792, 1239740, 1611662, 2479480, 3223324, 4029155, 4958960, 6446648, 8058310, 12893296, 16116620, 32233240, 64466480]

約数ペア:

[(1, 64466480), (2, 32233240), (4, 16116620), (5, 12893296), (8, 8058310), (10, 6446648), (13, 4958960), (16, 4029155), (20, 3223324), (26, 2479480), (40, 1611662), (52, 1239740), (65, 991792), (80, 805831), (104, 619870), (130, 495896), (208, 309935), (260, 247948), (520, 123974), (1040, 61987)]