66455000

素因数分解:

$2^3\times 5^4\times {\mathrm{13291}}^1$

素因数の和:13317

約数の個数: 40

約数和(自身を含む): 155715780

約数和(自身を除く): 89260780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13291, 26582, 53164, 66455, 106328, 132910, 265820, 332275, 531640, 664550, 1329100, 1661375, 2658200, 3322750, 6645500, 8306875, 13291000, 16613750, 33227500, 66455000]

約数ペア:

[(1, 66455000), (2, 33227500), (4, 16613750), (5, 13291000), (8, 8306875), (10, 6645500), (20, 3322750), (25, 2658200), (40, 1661375), (50, 1329100), (100, 664550), (125, 531640), (200, 332275), (250, 265820), (500, 132910), (625, 106328), (1000, 66455), (1250, 53164), (2500, 26582), (5000, 13291)]