25616820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9929}}^1$

素因数の和:9984

約数の個数: 48

約数和(自身を含む): 73402560

約数和(自身を除く): 47785740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 9929, 19858, 29787, 39716, 49645, 59574, 99290, 119148, 148935, 198580, 297870, 426947, 595740, 853894, 1280841, 1707788, 2134735, 2561682, 4269470, 5123364, 6404205, 8538940, 12808410, 25616820]

約数ペア:

[(1, 25616820), (2, 12808410), (3, 8538940), (4, 6404205), (5, 5123364), (6, 4269470), (10, 2561682), (12, 2134735), (15, 1707788), (20, 1280841), (30, 853894), (43, 595740), (60, 426947), (86, 297870), (129, 198580), (172, 148935), (215, 119148), (258, 99290), (430, 59574), (516, 49645), (645, 39716), (860, 29787), (1290, 19858), (2580, 9929)]