9945980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 23242464

約数和(自身を除く): 13296484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 853, 1060, 1166, 1706, 2332, 2915, 3412, 4265, 5830, 8530, 9383, 11660, 17060, 18766, 37532, 45209, 46915, 90418, 93830, 180836, 187660, 226045, 452090, 497299, 904180, 994598, 1989196, 2486495, 4972990, 9945980]

約数ペア:

[(1, 9945980), (2, 4972990), (4, 2486495), (5, 1989196), (10, 994598), (11, 904180), (20, 497299), (22, 452090), (44, 226045), (53, 187660), (55, 180836), (106, 93830), (110, 90418), (212, 46915), (220, 45209), (265, 37532), (530, 18766), (583, 17060), (853, 11660), (1060, 9383), (1166, 8530), (1706, 5830), (2332, 4265), (2915, 3412)]