26489840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25471}}^1$

素因数の和:25497

約数の個数: 40

約数和(自身を含む): 66329088

約数和(自身を除く): 39839248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25471, 50942, 101884, 127355, 203768, 254710, 331123, 407536, 509420, 662246, 1018840, 1324492, 1655615, 2037680, 2648984, 3311230, 5297968, 6622460, 13244920, 26489840]

約数ペア:

[(1, 26489840), (2, 13244920), (4, 6622460), (5, 5297968), (8, 3311230), (10, 2648984), (13, 2037680), (16, 1655615), (20, 1324492), (26, 1018840), (40, 662246), (52, 509420), (65, 407536), (80, 331123), (104, 254710), (130, 203768), (208, 127355), (260, 101884), (520, 50942), (1040, 25471)]