505054940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1942519}}^1$

素因数の和:1942541

約数の個数: 24

約数和(自身を含む): 1142201760

約数和(自身を除く): 637146820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1942519, 3885038, 7770076, 9712595, 19425190, 25252747, 38850380, 50505494, 101010988, 126263735, 252527470, 505054940]

約数ペア:

[(1, 505054940), (2, 252527470), (4, 126263735), (5, 101010988), (10, 50505494), (13, 38850380), (20, 25252747), (26, 19425190), (52, 9712595), (65, 7770076), (130, 3885038), (260, 1942519)]