82959875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 108625920

約数和(自身を除く): 25666045

約数列:

[1, 5, 25, 31, 79, 125, 155, 271, 395, 775, 1355, 1975, 2449, 3875, 6775, 8401, 9875, 12245, 21409, 33875, 42005, 61225, 107045, 210025, 306125, 535225, 663679, 1050125, 2676125, 3318395, 16591975, 82959875]

約数ペア:

[(1, 82959875), (5, 16591975), (25, 3318395), (31, 2676125), (79, 1050125), (125, 663679), (155, 535225), (271, 306125), (395, 210025), (775, 107045), (1355, 61225), (1975, 42005), (2449, 33875), (3875, 21409), (6775, 12245), (8401, 9875)]