64474240

素因数分解:

$2^7\times 5^1\times {\mathrm{100741}}^1$

素因数の和:100760

約数の個数: 32

約数和(自身を含む): 154135260

約数和(自身を除く): 89661020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 100741, 201482, 402964, 503705, 805928, 1007410, 1611856, 2014820, 3223712, 4029640, 6447424, 8059280, 12894848, 16118560, 32237120, 64474240]

約数ペア:

[(1, 64474240), (2, 32237120), (4, 16118560), (5, 12894848), (8, 8059280), (10, 6447424), (16, 4029640), (20, 3223712), (32, 2014820), (40, 1611856), (64, 1007410), (80, 805928), (128, 503705), (160, 402964), (320, 201482), (640, 100741)]