88866640

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6421}}^1$

素因数の和:6607

約数の個数: 40

約数和(自身を含む): 207841608

約数和(自身を除く): 118974968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6421, 6920, 12842, 13840, 25684, 32105, 51368, 64210, 102736, 128420, 256840, 513680, 1110833, 2221666, 4443332, 5554165, 8886664, 11108330, 17773328, 22216660, 44433320, 88866640]

約数ペア:

[(1, 88866640), (2, 44433320), (4, 22216660), (5, 17773328), (8, 11108330), (10, 8886664), (16, 5554165), (20, 4443332), (40, 2221666), (80, 1110833), (173, 513680), (346, 256840), (692, 128420), (865, 102736), (1384, 64210), (1730, 51368), (2768, 32105), (3460, 25684), (6421, 13840), (6920, 12842)]