4891720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4217}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 11388600

約数和(自身を除く): 6496880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 4217, 8434, 16868, 21085, 33736, 42170, 84340, 122293, 168680, 244586, 489172, 611465, 978344, 1222930, 2445860, 4891720]

約数ペア:

[(1, 4891720), (2, 2445860), (4, 1222930), (5, 978344), (8, 611465), (10, 489172), (20, 244586), (29, 168680), (40, 122293), (58, 84340), (116, 42170), (145, 33736), (232, 21085), (290, 16868), (580, 8434), (1160, 4217)]