65969560

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6131}}^1$

素因数の和:6411

約数の個数: 32

約数和(自身を含む): 149007600

約数和(自身を除く): 83038040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6131, 10760, 12262, 24524, 30655, 49048, 61310, 122620, 245240, 1649239, 3298478, 6596956, 8246195, 13193912, 16492390, 32984780, 65969560]

約数ペア:

[(1, 65969560), (2, 32984780), (4, 16492390), (5, 13193912), (8, 8246195), (10, 6596956), (20, 3298478), (40, 1649239), (269, 245240), (538, 122620), (1076, 61310), (1345, 49048), (2152, 30655), (2690, 24524), (5380, 12262), (6131, 10760)]