80162680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154159}}^1$

素因数の和:154183

約数の個数: 32

約数和(自身を含む): 194241600

約数和(自身を除く): 114078920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154159, 308318, 616636, 770795, 1233272, 1541590, 2004067, 3083180, 4008134, 6166360, 8016268, 10020335, 16032536, 20040670, 40081340, 80162680]

約数ペア:

[(1, 80162680), (2, 40081340), (4, 20040670), (5, 16032536), (8, 10020335), (10, 8016268), (13, 6166360), (20, 4008134), (26, 3083180), (40, 2004067), (52, 1541590), (65, 1233272), (104, 770795), (130, 616636), (260, 308318), (520, 154159)]