79870870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10253}}^1$

素因数の和:10320

約数の個数: 32

約数和(自身を含む): 155040480

約数和(自身を除く): 75169610

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 10253, 20506, 51265, 102530, 194807, 389614, 420373, 840746, 974035, 1948070, 2101865, 4203730, 7987087, 15974174, 39935435, 79870870]

約数ペア:

[(1, 79870870), (2, 39935435), (5, 15974174), (10, 7987087), (19, 4203730), (38, 2101865), (41, 1948070), (82, 974035), (95, 840746), (190, 420373), (205, 389614), (410, 194807), (779, 102530), (1558, 51265), (3895, 20506), (7790, 10253)]