53996920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19013}}^1$

素因数の和:19095

約数の個数: 32

約数和(自身を含む): 123210720

約数和(自身を除く): 69213800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19013, 38026, 76052, 95065, 152104, 190130, 380260, 760520, 1349923, 2699846, 5399692, 6749615, 10799384, 13499230, 26998460, 53996920]

約数ペア:

[(1, 53996920), (2, 26998460), (4, 13499230), (5, 10799384), (8, 6749615), (10, 5399692), (20, 2699846), (40, 1349923), (71, 760520), (142, 380260), (284, 190130), (355, 152104), (568, 95065), (710, 76052), (1420, 38026), (2840, 19013)]