518327680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62299}}^1$

素因数の和:62331

約数の個数: 64

約数和(自身を含む): 1334466000

約数和(自身を除く): 816138320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 62299, 124598, 249196, 311495, 498392, 622990, 809887, 996784, 1245980, 1619774, 1993568, 2491960, 3239548, 3987136, 4049435, 4983920, 6479096, 7974272, 8098870, 9967840, 12958192, 16197740, 19935680, 25916384, 32395480, 39871360, 51832768, 64790960, 103665536, 129581920, 259163840, 518327680]

約数ペア:

[(1, 518327680), (2, 259163840), (4, 129581920), (5, 103665536), (8, 64790960), (10, 51832768), (13, 39871360), (16, 32395480), (20, 25916384), (26, 19935680), (32, 16197740), (40, 12958192), (52, 9967840), (64, 8098870), (65, 7974272), (80, 6479096), (104, 4983920), (128, 4049435), (130, 3987136), (160, 3239548), (208, 2491960), (260, 1993568), (320, 1619774), (416, 1245980), (520, 996784), (640, 809887), (832, 622990), (1040, 498392), (1664, 311495), (2080, 249196), (4160, 124598), (8320, 62299)]