1667320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 3809520

約数和(自身を除く): 2142200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 571, 584, 730, 1142, 1460, 2284, 2855, 2920, 4568, 5710, 11420, 22840, 41683, 83366, 166732, 208415, 333464, 416830, 833660, 1667320]

約数ペア:

[(1, 1667320), (2, 833660), (4, 416830), (5, 333464), (8, 208415), (10, 166732), (20, 83366), (40, 41683), (73, 22840), (146, 11420), (292, 5710), (365, 4568), (571, 2920), (584, 2855), (730, 2284), (1142, 1460)]