128478200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{10531}}^1$

素因数の和:10608

約数の個数: 48

約数和(自身を含む): 303637560

約数和(自身を除く): 175159360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 10531, 12200, 21062, 42124, 52655, 84248, 105310, 210620, 263275, 421240, 526550, 642391, 1053100, 1284782, 2106200, 2569564, 3211955, 5139128, 6423910, 12847820, 16059775, 25695640, 32119550, 64239100, 128478200]

約数ペア:

[(1, 128478200), (2, 64239100), (4, 32119550), (5, 25695640), (8, 16059775), (10, 12847820), (20, 6423910), (25, 5139128), (40, 3211955), (50, 2569564), (61, 2106200), (100, 1284782), (122, 1053100), (200, 642391), (244, 526550), (305, 421240), (488, 263275), (610, 210620), (1220, 105310), (1525, 84248), (2440, 52655), (3050, 42124), (6100, 21062), (10531, 12200)]