69655640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5261}}^1$

素因数の和:5603

約数の個数: 32

約数和(自身を含む): 157228560

約数和(自身を除く): 87572920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5261, 6620, 10522, 13240, 21044, 26305, 42088, 52610, 105220, 210440, 1741391, 3482782, 6965564, 8706955, 13931128, 17413910, 34827820, 69655640]

約数ペア:

[(1, 69655640), (2, 34827820), (4, 17413910), (5, 13931128), (8, 8706955), (10, 6965564), (20, 3482782), (40, 1741391), (331, 210440), (662, 105220), (1324, 52610), (1655, 42088), (2648, 26305), (3310, 21044), (5261, 13240), (6620, 10522)]