40854125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 56749056

約数和(自身を除く): 15894931

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 811, 1625, 2015, 3875, 4055, 10075, 10543, 20275, 25141, 50375, 52715, 101375, 125705, 263575, 326833, 628525, 1317875, 1634165, 3142625, 8170825, 40854125]

約数ペア:

[(1, 40854125), (5, 8170825), (13, 3142625), (25, 1634165), (31, 1317875), (65, 628525), (125, 326833), (155, 263575), (325, 125705), (403, 101375), (775, 52715), (811, 50375), (1625, 25141), (2015, 20275), (3875, 10543), (4055, 10075)]