71328560

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1951}}^1$

素因数の和:2421

約数の個数: 40

約数和(自身を含む): 166286976

約数和(自身を除く): 94958416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 1951, 2285, 3656, 3902, 4570, 7312, 7804, 9140, 9755, 15608, 18280, 19510, 31216, 36560, 39020, 78040, 156080, 891607, 1783214, 3566428, 4458035, 7132856, 8916070, 14265712, 17832140, 35664280, 71328560]

約数ペア:

[(1, 71328560), (2, 35664280), (4, 17832140), (5, 14265712), (8, 8916070), (10, 7132856), (16, 4458035), (20, 3566428), (40, 1783214), (80, 891607), (457, 156080), (914, 78040), (1828, 39020), (1951, 36560), (2285, 31216), (3656, 19510), (3902, 18280), (4570, 15608), (7312, 9755), (7804, 9140)]