79883960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153623}}^1$

素因数の和:153647

約数の個数: 32

約数和(自身を含む): 193566240

約数和(自身を除く): 113682280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 153623, 307246, 614492, 768115, 1228984, 1536230, 1997099, 3072460, 3994198, 6144920, 7988396, 9985495, 15976792, 19970990, 39941980, 79883960]

約数ペア:

[(1, 79883960), (2, 39941980), (4, 19970990), (5, 15976792), (8, 9985495), (10, 7988396), (13, 6144920), (20, 3994198), (26, 3072460), (40, 1997099), (52, 1536230), (65, 1228984), (104, 768115), (130, 614492), (260, 307246), (520, 153623)]