49898375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 65495040

約数和(自身を除く): 15596665

約数列:

[1, 5, 25, 31, 79, 125, 155, 163, 395, 775, 815, 1975, 2449, 3875, 4075, 5053, 9875, 12245, 12877, 20375, 25265, 61225, 64385, 126325, 306125, 321925, 399187, 631625, 1609625, 1995935, 9979675, 49898375]

約数ペア:

[(1, 49898375), (5, 9979675), (25, 1995935), (31, 1609625), (79, 631625), (125, 399187), (155, 321925), (163, 306125), (395, 126325), (775, 64385), (815, 61225), (1975, 25265), (2449, 20375), (3875, 12877), (4075, 12245), (5053, 9875)]