54553025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 71495424

約数和(自身を除く): 16942399

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 1637, 6665, 8185, 33325, 40925, 50747, 70391, 253735, 351955, 1268675, 1759775, 2182121, 10910605, 54553025]

約数ペア:

[(1, 54553025), (5, 10910605), (25, 2182121), (31, 1759775), (43, 1268675), (155, 351955), (215, 253735), (775, 70391), (1075, 50747), (1333, 40925), (1637, 33325), (6665, 8185)]