1330992440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1073381}}^1$

素因数の和:1073423

約数の個数: 32

約数和(自身を含む): 3091340160

約数和(自身を除く): 1760347720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1073381, 2146762, 4293524, 5366905, 8587048, 10733810, 21467620, 33274811, 42935240, 66549622, 133099244, 166374055, 266198488, 332748110, 665496220, 1330992440]

約数ペア:

[(1, 1330992440), (2, 665496220), (4, 332748110), (5, 266198488), (8, 166374055), (10, 133099244), (20, 66549622), (31, 42935240), (40, 33274811), (62, 21467620), (124, 10733810), (155, 8587048), (248, 5366905), (310, 4293524), (620, 2146762), (1240, 1073381)]