16667320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10163}}^1$

素因数の和:10215

約数の個数: 32

約数和(自身を含む): 38419920

約数和(自身を除く): 21752600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 10163, 20326, 40652, 50815, 81304, 101630, 203260, 406520, 416683, 833366, 1666732, 2083415, 3333464, 4166830, 8333660, 16667320]

約数ペア:

[(1, 16667320), (2, 8333660), (4, 4166830), (5, 3333464), (8, 2083415), (10, 1666732), (20, 833366), (40, 416683), (41, 406520), (82, 203260), (164, 101630), (205, 81304), (328, 50815), (410, 40652), (820, 20326), (1640, 10163)]