65503840

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3623}}^1$

素因数の和:3751

約数の個数: 48

約数和(自身を含む): 156165408

約数和(自身を除く): 90661568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 3623, 4520, 7246, 9040, 14492, 18080, 18115, 28984, 36230, 57968, 72460, 115936, 144920, 289840, 409399, 579680, 818798, 1637596, 2046995, 3275192, 4093990, 6550384, 8187980, 13100768, 16375960, 32751920, 65503840]

約数ペア:

[(1, 65503840), (2, 32751920), (4, 16375960), (5, 13100768), (8, 8187980), (10, 6550384), (16, 4093990), (20, 3275192), (32, 2046995), (40, 1637596), (80, 818798), (113, 579680), (160, 409399), (226, 289840), (452, 144920), (565, 115936), (904, 72460), (1130, 57968), (1808, 36230), (2260, 28984), (3616, 18115), (3623, 18080), (4520, 14492), (7246, 9040)]