31380625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 42736320

約数和(自身を除く): 11355695

約数列:

[1, 5, 23, 25, 37, 59, 115, 125, 185, 295, 575, 625, 851, 925, 1357, 1475, 2183, 2875, 4255, 4625, 6785, 7375, 10915, 14375, 21275, 23125, 33925, 36875, 50209, 54575, 106375, 169625, 251045, 272875, 531875, 848125, 1255225, 1364375, 6276125, 31380625]

約数ペア:

[(1, 31380625), (5, 6276125), (23, 1364375), (25, 1255225), (37, 848125), (59, 531875), (115, 272875), (125, 251045), (185, 169625), (295, 106375), (575, 54575), (625, 50209), (851, 36875), (925, 33925), (1357, 23125), (1475, 21275), (2183, 14375), (2875, 10915), (4255, 7375), (4625, 6785)]