7980003330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20461547}}^1$

素因数の和:20461570

約数の個数: 32

約数和(自身を含む): 20625240384

約数和(自身を除く): 12645237054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20461547, 40923094, 61384641, 102307735, 122769282, 204615470, 266000111, 306923205, 532000222, 613846410, 798000333, 1330000555, 1596000666, 2660001110, 3990001665, 7980003330]

約数ペア:

[(1, 7980003330), (2, 3990001665), (3, 2660001110), (5, 1596000666), (6, 1330000555), (10, 798000333), (13, 613846410), (15, 532000222), (26, 306923205), (30, 266000111), (39, 204615470), (65, 122769282), (78, 102307735), (130, 61384641), (195, 40923094), (390, 20461547)]