56552920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19913}}^1$

素因数の和:19995

約数の個数: 32

約数和(自身を含む): 129042720

約数和(自身を除く): 72489800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19913, 39826, 79652, 99565, 159304, 199130, 398260, 796520, 1413823, 2827646, 5655292, 7069115, 11310584, 14138230, 28276460, 56552920]

約数ペア:

[(1, 56552920), (2, 28276460), (4, 14138230), (5, 11310584), (8, 7069115), (10, 5655292), (20, 2827646), (40, 1413823), (71, 796520), (142, 398260), (284, 199130), (355, 159304), (568, 99565), (710, 79652), (1420, 39826), (2840, 19913)]