71238520

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2477}}^1$

素因数の和:3207

約数の個数: 32

約数和(自身を含む): 160574400

約数和(自身を除く): 89335880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1438, 2477, 2876, 3595, 4954, 5752, 7190, 9908, 12385, 14380, 19816, 24770, 28760, 49540, 99080, 1780963, 3561926, 7123852, 8904815, 14247704, 17809630, 35619260, 71238520]

約数ペア:

[(1, 71238520), (2, 35619260), (4, 17809630), (5, 14247704), (8, 8904815), (10, 7123852), (20, 3561926), (40, 1780963), (719, 99080), (1438, 49540), (2477, 28760), (2876, 24770), (3595, 19816), (4954, 14380), (5752, 12385), (7190, 9908)]