2226250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:172

約数の個数: 40

約数和(自身を含む): 4526676

約数和(自身を除く): 2300426

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 137, 250, 274, 325, 625, 650, 685, 1250, 1370, 1625, 1781, 3250, 3425, 3562, 6850, 8125, 8905, 16250, 17125, 17810, 34250, 44525, 85625, 89050, 171250, 222625, 445250, 1113125, 2226250]

約数ペア:

[(1, 2226250), (2, 1113125), (5, 445250), (10, 222625), (13, 171250), (25, 89050), (26, 85625), (50, 44525), (65, 34250), (125, 17810), (130, 17125), (137, 16250), (250, 8905), (274, 8125), (325, 6850), (625, 3562), (650, 3425), (685, 3250), (1250, 1781), (1370, 1625)]