71464720

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3559}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 166864320

約数和(自身を除く): 95399600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 3559, 4016, 5020, 7118, 10040, 14236, 17795, 20080, 28472, 35590, 56944, 71180, 142360, 284720, 893309, 1786618, 3573236, 4466545, 7146472, 8933090, 14292944, 17866180, 35732360, 71464720]

約数ペア:

[(1, 71464720), (2, 35732360), (4, 17866180), (5, 14292944), (8, 8933090), (10, 7146472), (16, 4466545), (20, 3573236), (40, 1786618), (80, 893309), (251, 284720), (502, 142360), (1004, 71180), (1255, 56944), (2008, 35590), (2510, 28472), (3559, 20080), (4016, 17795), (5020, 14236), (7118, 10040)]