65818240

素因数分解:

$2^7\times 5^1\times {\mathrm{102841}}^1$

素因数の和:102860

約数の個数: 32

約数和(自身を含む): 157348260

約数和(自身を除く): 91530020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102841, 205682, 411364, 514205, 822728, 1028410, 1645456, 2056820, 3290912, 4113640, 6581824, 8227280, 13163648, 16454560, 32909120, 65818240]

約数ペア:

[(1, 65818240), (2, 32909120), (4, 16454560), (5, 13163648), (8, 8227280), (10, 6581824), (16, 4113640), (20, 3290912), (32, 2056820), (40, 1645456), (64, 1028410), (80, 822728), (128, 514205), (160, 411364), (320, 205682), (640, 102841)]