83964920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161471}}^1$

素因数の和:161495

約数の個数: 32

約数和(自身を含む): 203454720

約数和(自身を除く): 119489800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 161471, 322942, 645884, 807355, 1291768, 1614710, 2099123, 3229420, 4198246, 6458840, 8396492, 10495615, 16792984, 20991230, 41982460, 83964920]

約数ペア:

[(1, 83964920), (2, 41982460), (4, 20991230), (5, 16792984), (8, 10495615), (10, 8396492), (13, 6458840), (20, 4198246), (26, 3229420), (40, 2099123), (52, 1614710), (65, 1291768), (104, 807355), (130, 645884), (260, 322942), (520, 161471)]