28639366180

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1117}}^1\times {\mathrm{1783}}^1$

素因数の和:3628

約数の個数: 48

約数和(自身を含む): 60314042880

約数和(自身を除く): 31674676700

約数列:

[1, 2, 4, 5, 10, 20, 719, 1117, 1438, 1783, 2234, 2876, 3566, 3595, 4468, 5585, 7132, 7190, 8915, 11170, 14380, 17830, 22340, 35660, 803123, 1281977, 1606246, 1991611, 2563954, 3212492, 3983222, 4015615, 5127908, 6409885, 7966444, 8031230, 9958055, 12819770, 16062460, 19916110, 25639540, 39832220, 1431968309, 2863936618, 5727873236, 7159841545, 14319683090, 28639366180]

約数ペア:

[(1, 28639366180), (2, 14319683090), (4, 7159841545), (5, 5727873236), (10, 2863936618), (20, 1431968309), (719, 39832220), (1117, 25639540), (1438, 19916110), (1783, 16062460), (2234, 12819770), (2876, 9958055), (3566, 8031230), (3595, 7966444), (4468, 6409885), (5585, 5127908), (7132, 4015615), (7190, 3983222), (8915, 3212492), (11170, 2563954), (14380, 1991611), (17830, 1606246), (22340, 1281977), (35660, 803123)]