10521220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6659}}^1$

素因数の和:6747

約数の個数: 24

約数和(自身を含む): 22377600

約数和(自身を除く): 11856380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 6659, 13318, 26636, 33295, 66590, 133180, 526061, 1052122, 2104244, 2630305, 5260610, 10521220]

約数ペア:

[(1, 10521220), (2, 5260610), (4, 2630305), (5, 2104244), (10, 1052122), (20, 526061), (79, 133180), (158, 66590), (316, 33295), (395, 26636), (790, 13318), (1580, 6659)]