19950000005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{5179}}^1\times {\mathrm{59263}}^1$

素因数の和:64460

約数の個数: 16

約数和(自身を含む): 25786951680

約数和(自身を除く): 5836951675

約数列:

[1, 5, 13, 65, 5179, 25895, 59263, 67327, 296315, 336635, 770419, 3852095, 306923077, 1534615385, 3990000001, 19950000005]

約数ペア:

[(1, 19950000005), (5, 3990000001), (13, 1534615385), (65, 306923077), (5179, 3852095), (25895, 770419), (59263, 336635), (67327, 296315)]