128225500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19727}}^1$

素因数の和:19759

約数の個数: 48

約数和(自身を含む): 301601664

約数和(自身を除く): 173376164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 19727, 39454, 78908, 98635, 197270, 256451, 394540, 493175, 512902, 986350, 1025804, 1282255, 1972700, 2465875, 2564510, 4931750, 5129020, 6411275, 9863500, 12822550, 25645100, 32056375, 64112750, 128225500]

約数ペア:

[(1, 128225500), (2, 64112750), (4, 32056375), (5, 25645100), (10, 12822550), (13, 9863500), (20, 6411275), (25, 5129020), (26, 4931750), (50, 2564510), (52, 2465875), (65, 1972700), (100, 1282255), (125, 1025804), (130, 986350), (250, 512902), (260, 493175), (325, 394540), (500, 256451), (650, 197270), (1300, 98635), (1625, 78908), (3250, 39454), (6500, 19727)]