157739425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4001}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 208424160

約数和(自身を除く): 50684735

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 1577, 2075, 4001, 7885, 20005, 39425, 76019, 100025, 332083, 380095, 1660415, 1900475, 6309577, 8302075, 31547885, 157739425]

約数ペア:

[(1, 157739425), (5, 31547885), (19, 8302075), (25, 6309577), (83, 1900475), (95, 1660415), (415, 380095), (475, 332083), (1577, 100025), (2075, 76019), (4001, 39425), (7885, 20005)]