51471640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{116981}}^1$

素因数の和:117003

約数の個数: 32

約数和(自身を含む): 126340560

約数和(自身を除く): 74868920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 116981, 233962, 467924, 584905, 935848, 1169810, 1286791, 2339620, 2573582, 4679240, 5147164, 6433955, 10294328, 12867910, 25735820, 51471640]

約数ペア:

[(1, 51471640), (2, 25735820), (4, 12867910), (5, 10294328), (8, 6433955), (10, 5147164), (11, 4679240), (20, 2573582), (22, 2339620), (40, 1286791), (44, 1169810), (55, 935848), (88, 584905), (110, 467924), (220, 233962), (440, 116981)]