80924920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54679}}^1$

素因数の和:54727

約数の個数: 32

約数和(自身を含む): 187005600

約数和(自身を除く): 106080680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 54679, 109358, 218716, 273395, 437432, 546790, 1093580, 2023123, 2187160, 4046246, 8092492, 10115615, 16184984, 20231230, 40462460, 80924920]

約数ペア:

[(1, 80924920), (2, 40462460), (4, 20231230), (5, 16184984), (8, 10115615), (10, 8092492), (20, 4046246), (37, 2187160), (40, 2023123), (74, 1093580), (148, 546790), (185, 437432), (296, 273395), (370, 218716), (740, 109358), (1480, 54679)]