4452500

素因数分解:

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

素因数の和:174

約数の個数: 60

約数和(自身を含む): 10562244

約数和(自身を除く): 6109744

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 137, 250, 260, 274, 325, 500, 548, 625, 650, 685, 1250, 1300, 1370, 1625, 1781, 2500, 2740, 3250, 3425, 3562, 6500, 6850, 7124, 8125, 8905, 13700, 16250, 17125, 17810, 32500, 34250, 35620, 44525, 68500, 85625, 89050, 171250, 178100, 222625, 342500, 445250, 890500, 1113125, 2226250, 4452500]

約数ペア:

[(1, 4452500), (2, 2226250), (4, 1113125), (5, 890500), (10, 445250), (13, 342500), (20, 222625), (25, 178100), (26, 171250), (50, 89050), (52, 85625), (65, 68500), (100, 44525), (125, 35620), (130, 34250), (137, 32500), (250, 17810), (260, 17125), (274, 16250), (325, 13700), (500, 8905), (548, 8125), (625, 7124), (650, 6850), (685, 6500), (1250, 3562), (1300, 3425), (1370, 3250), (1625, 2740), (1781, 2500)]