418340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 946680

約数和(自身を除く): 528340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1609, 3218, 6436, 8045, 16090, 20917, 32180, 41834, 83668, 104585, 209170, 418340]

約数ペア:

[(1, 418340), (2, 209170), (4, 104585), (5, 83668), (10, 41834), (13, 32180), (20, 20917), (26, 16090), (52, 8045), (65, 6436), (130, 3218), (260, 1609)]