248324920

素因数分解:

$2^3\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{3137}}^1$

素因数の和:5127

約数の個数: 32

約数和(自身を含む): 559191600

約数和(自身を除く): 310866680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1979, 3137, 3958, 6274, 7916, 9895, 12548, 15685, 15832, 19790, 25096, 31370, 39580, 62740, 79160, 125480, 6208123, 12416246, 24832492, 31040615, 49664984, 62081230, 124162460, 248324920]

約数ペア:

[(1, 248324920), (2, 124162460), (4, 62081230), (5, 49664984), (8, 31040615), (10, 24832492), (20, 12416246), (40, 6208123), (1979, 125480), (3137, 79160), (3958, 62740), (6274, 39580), (7916, 31370), (9895, 25096), (12548, 19790), (15685, 15832)]