9615980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 22286880

約数和(自身を除く): 12670900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 401, 436, 545, 802, 1090, 1199, 1604, 2005, 2180, 2398, 4010, 4411, 4796, 5995, 8020, 8822, 11990, 17644, 22055, 23980, 43709, 44110, 87418, 88220, 174836, 218545, 437090, 480799, 874180, 961598, 1923196, 2403995, 4807990, 9615980]

約数ペア:

[(1, 9615980), (2, 4807990), (4, 2403995), (5, 1923196), (10, 961598), (11, 874180), (20, 480799), (22, 437090), (44, 218545), (55, 174836), (109, 88220), (110, 87418), (218, 44110), (220, 43709), (401, 23980), (436, 22055), (545, 17644), (802, 11990), (1090, 8822), (1199, 8020), (1604, 5995), (2005, 4796), (2180, 4411), (2398, 4010)]