69883640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12569}}^1$

素因数の和:12719

約数の個数: 32

約数和(自身を含む): 158382000

約数和(自身を除く): 88498360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12569, 25138, 50276, 62845, 100552, 125690, 251380, 502760, 1747091, 3494182, 6988364, 8735455, 13976728, 17470910, 34941820, 69883640]

約数ペア:

[(1, 69883640), (2, 34941820), (4, 17470910), (5, 13976728), (8, 8735455), (10, 6988364), (20, 3494182), (40, 1747091), (139, 502760), (278, 251380), (556, 125690), (695, 100552), (1112, 62845), (1390, 50276), (2780, 25138), (5560, 12569)]