66422980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255473}}^1$

素因数の和:255495

約数の個数: 24

約数和(自身を含む): 150218712

約数和(自身を除く): 83795732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 255473, 510946, 1021892, 1277365, 2554730, 3321149, 5109460, 6642298, 13284596, 16605745, 33211490, 66422980]

約数ペア:

[(1, 66422980), (2, 33211490), (4, 16605745), (5, 13284596), (10, 6642298), (13, 5109460), (20, 3321149), (26, 2554730), (52, 1277365), (65, 1021892), (130, 510946), (260, 255473)]