2630850625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{323797}}^1$

素因数の和:323830

約数の個数: 20

約数和(自身を含む): 3540407332

約数和(自身を除く): 909556707

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 323797, 1618985, 4209361, 8094925, 21046805, 40474625, 105234025, 202373125, 526170125, 2630850625]

約数ペア:

[(1, 2630850625), (5, 526170125), (13, 202373125), (25, 105234025), (65, 40474625), (125, 21046805), (325, 8094925), (625, 4209361), (1625, 1618985), (8125, 323797)]