15117320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5323}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 34499520

約数和(自身を除く): 19382200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5323, 10646, 21292, 26615, 42584, 53230, 106460, 212920, 377933, 755866, 1511732, 1889665, 3023464, 3779330, 7558660, 15117320]

約数ペア:

[(1, 15117320), (2, 7558660), (4, 3779330), (5, 3023464), (8, 1889665), (10, 1511732), (20, 755866), (40, 377933), (71, 212920), (142, 106460), (284, 53230), (355, 42584), (568, 26615), (710, 21292), (1420, 10646), (2840, 5323)]