11396920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4013}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 26010720

約数和(自身を除く): 14613800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4013, 8026, 16052, 20065, 32104, 40130, 80260, 160520, 284923, 569846, 1139692, 1424615, 2279384, 2849230, 5698460, 11396920]

約数ペア:

[(1, 11396920), (2, 5698460), (4, 2849230), (5, 2279384), (8, 1424615), (10, 1139692), (20, 569846), (40, 284923), (71, 160520), (142, 80260), (284, 40130), (355, 32104), (568, 20065), (710, 16052), (1420, 8026), (2840, 4013)]