17957320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6323}}^1$

素因数の和:6405

約数の個数: 32

約数和(自身を含む): 40979520

約数和(自身を除く): 23022200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6323, 12646, 25292, 31615, 50584, 63230, 126460, 252920, 448933, 897866, 1795732, 2244665, 3591464, 4489330, 8978660, 17957320]

約数ペア:

[(1, 17957320), (2, 8978660), (4, 4489330), (5, 3591464), (8, 2244665), (10, 1795732), (20, 897866), (40, 448933), (71, 252920), (142, 126460), (284, 63230), (355, 50584), (568, 31615), (710, 25292), (1420, 12646), (2840, 6323)]