13219300

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:988

約数の個数: 36

約数和(自身を含む): 28897456

約数和(自身を除く): 15678156

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 811, 815, 1622, 1630, 3244, 3260, 4055, 4075, 8110, 8150, 16220, 16300, 20275, 40550, 81100, 132193, 264386, 528772, 660965, 1321930, 2643860, 3304825, 6609650, 13219300]

約数ペア:

[(1, 13219300), (2, 6609650), (4, 3304825), (5, 2643860), (10, 1321930), (20, 660965), (25, 528772), (50, 264386), (100, 132193), (163, 81100), (326, 40550), (652, 20275), (811, 16300), (815, 16220), (1622, 8150), (1630, 8110), (3244, 4075), (3260, 4055)]