64248680

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5927}}^1$

素因数の和:6209

約数の個数: 32

約数和(自身を含む): 145117440

約数和(自身を除く): 80868760

約数列:

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

約数ペア:

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