128497360

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5927}}^1$

素因数の和:6211

約数の個数: 40

約数和(自身を含む): 299909376

約数和(自身を除く): 171412016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 5927, 10840, 11854, 21680, 23708, 29635, 47416, 59270, 94832, 118540, 237080, 474160, 1606217, 3212434, 6424868, 8031085, 12849736, 16062170, 25699472, 32124340, 64248680, 128497360]

約数ペア:

[(1, 128497360), (2, 64248680), (4, 32124340), (5, 25699472), (8, 16062170), (10, 12849736), (16, 8031085), (20, 6424868), (40, 3212434), (80, 1606217), (271, 474160), (542, 237080), (1084, 118540), (1355, 94832), (2168, 59270), (2710, 47416), (4336, 29635), (5420, 23708), (5927, 21680), (10840, 11854)]