431320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 997920

約数和(自身を除く): 566600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 263, 328, 410, 526, 820, 1052, 1315, 1640, 2104, 2630, 5260, 10520, 10783, 21566, 43132, 53915, 86264, 107830, 215660, 431320]

約数ペア:

[(1, 431320), (2, 215660), (4, 107830), (5, 86264), (8, 53915), (10, 43132), (20, 21566), (40, 10783), (41, 10520), (82, 5260), (164, 2630), (205, 2104), (263, 1640), (328, 1315), (410, 1052), (526, 820)]