1919712920

素因数分解:

$2^3\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{14153}}^1$

素因数の和:17555

約数の個数: 32

約数和(自身を含む): 4320933120

約数和(自身を除く): 2401220200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3391, 6782, 13564, 14153, 16955, 27128, 28306, 33910, 56612, 67820, 70765, 113224, 135640, 141530, 283060, 566120, 47992823, 95985646, 191971292, 239964115, 383942584, 479928230, 959856460, 1919712920]

約数ペア:

[(1, 1919712920), (2, 959856460), (4, 479928230), (5, 383942584), (8, 239964115), (10, 191971292), (20, 95985646), (40, 47992823), (3391, 566120), (6782, 283060), (13564, 141530), (14153, 135640), (16955, 113224), (27128, 70765), (28306, 67820), (33910, 56612)]