207828980

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{10079}}^1$

素因数の和:11119

約数の個数: 24

約数和(自身を含む): 436907520

約数和(自身を除く): 229078540

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10079, 10310, 20158, 20620, 40316, 50395, 100790, 201580, 10391449, 20782898, 41565796, 51957245, 103914490, 207828980]

約数ペア:

[(1, 207828980), (2, 103914490), (4, 51957245), (5, 41565796), (10, 20782898), (20, 10391449), (1031, 201580), (2062, 100790), (4124, 50395), (5155, 40316), (10079, 20620), (10310, 20158)]