836680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 2028600

約数和(自身を除く): 1191920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1609, 3218, 6436, 8045, 12872, 16090, 20917, 32180, 41834, 64360, 83668, 104585, 167336, 209170, 418340, 836680]

約数ペア:

[(1, 836680), (2, 418340), (4, 209170), (5, 167336), (8, 104585), (10, 83668), (13, 64360), (20, 41834), (26, 32180), (40, 20917), (52, 16090), (65, 12872), (104, 8045), (130, 6436), (260, 3218), (520, 1609)]