1163240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 2819880

約数和(自身を除く): 1656640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2237, 4474, 8948, 11185, 17896, 22370, 29081, 44740, 58162, 89480, 116324, 145405, 232648, 290810, 581620, 1163240]

約数ペア:

[(1, 1163240), (2, 581620), (4, 290810), (5, 232648), (8, 145405), (10, 116324), (13, 89480), (20, 58162), (26, 44740), (40, 29081), (52, 22370), (65, 17896), (104, 11185), (130, 8948), (260, 4474), (520, 2237)]