8557280

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 20502720

約数和(自身を除く): 11945440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 677, 790, 1264, 1354, 1580, 2528, 2708, 3160, 3385, 5416, 6320, 6770, 10832, 12640, 13540, 21664, 27080, 53483, 54160, 106966, 108320, 213932, 267415, 427864, 534830, 855728, 1069660, 1711456, 2139320, 4278640, 8557280]

約数ペア:

[(1, 8557280), (2, 4278640), (4, 2139320), (5, 1711456), (8, 1069660), (10, 855728), (16, 534830), (20, 427864), (32, 267415), (40, 213932), (79, 108320), (80, 106966), (158, 54160), (160, 53483), (316, 27080), (395, 21664), (632, 13540), (677, 12640), (790, 10832), (1264, 6770), (1354, 6320), (1580, 5416), (2528, 3385), (2708, 3160)]