15007625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 20217600

約数和(自身を除く): 5209975

約数列:

[1, 5, 19, 25, 71, 89, 95, 125, 355, 445, 475, 1349, 1691, 1775, 2225, 2375, 6319, 6745, 8455, 8875, 11125, 31595, 33725, 42275, 120061, 157975, 168625, 211375, 600305, 789875, 3001525, 15007625]

約数ペア:

[(1, 15007625), (5, 3001525), (19, 789875), (25, 600305), (71, 211375), (89, 168625), (95, 157975), (125, 120061), (355, 42275), (445, 33725), (475, 31595), (1349, 11125), (1691, 8875), (1775, 8455), (2225, 6745), (2375, 6319)]