15690908225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{84919}}^1$

素因数の和:85337

約数の個数: 24

約数和(自身を含む): 20533656000

約数和(自身を除く): 4842747775

約数列:

[1, 5, 19, 25, 95, 389, 475, 1945, 7391, 9725, 36955, 84919, 184775, 424595, 1613461, 2122975, 8067305, 33033491, 40336525, 165167455, 627636329, 825837275, 3138181645, 15690908225]

約数ペア:

[(1, 15690908225), (5, 3138181645), (19, 825837275), (25, 627636329), (95, 165167455), (389, 40336525), (475, 33033491), (1945, 8067305), (7391, 2122975), (9725, 1613461), (36955, 424595), (84919, 184775)]