26979420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34589}}^1$

素因数の和:34614

約数の個数: 48

約数和(自身を含む): 81355680

約数和(自身を除く): 54376260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 34589, 69178, 103767, 138356, 172945, 207534, 345890, 415068, 449657, 518835, 691780, 899314, 1037670, 1348971, 1798628, 2075340, 2248285, 2697942, 4496570, 5395884, 6744855, 8993140, 13489710, 26979420]

約数ペア:

[(1, 26979420), (2, 13489710), (3, 8993140), (4, 6744855), (5, 5395884), (6, 4496570), (10, 2697942), (12, 2248285), (13, 2075340), (15, 1798628), (20, 1348971), (26, 1037670), (30, 899314), (39, 691780), (52, 518835), (60, 449657), (65, 415068), (78, 345890), (130, 207534), (156, 172945), (195, 138356), (260, 103767), (390, 69178), (780, 34589)]