13244920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25471}}^1$

素因数の和:25495

約数の個数: 32

約数和(自身を含む): 32094720

約数和(自身を除く): 18849800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25471, 50942, 101884, 127355, 203768, 254710, 331123, 509420, 662246, 1018840, 1324492, 1655615, 2648984, 3311230, 6622460, 13244920]

約数ペア:

[(1, 13244920), (2, 6622460), (4, 3311230), (5, 2648984), (8, 1655615), (10, 1324492), (13, 1018840), (20, 662246), (26, 509420), (40, 331123), (52, 254710), (65, 203768), (104, 127355), (130, 101884), (260, 50942), (520, 25471)]