1391569240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{325133}}^1$

素因数の和:325251

約数の個数: 32

約数和(自身を含む): 3160302480

約数和(自身を除く): 1768733240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 325133, 650266, 1300532, 1625665, 2601064, 3251330, 6502660, 13005320, 34789231, 69578462, 139156924, 173946155, 278313848, 347892310, 695784620, 1391569240]

約数ペア:

[(1, 1391569240), (2, 695784620), (4, 347892310), (5, 278313848), (8, 173946155), (10, 139156924), (20, 69578462), (40, 34789231), (107, 13005320), (214, 6502660), (428, 3251330), (535, 2601064), (856, 1625665), (1070, 1300532), (2140, 650266), (4280, 325133)]