28116680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9629}}^1$

素因数の和:9713

約数の個数: 32

約数和(自身を含む): 64135800

約数和(自身を除く): 36019120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9629, 19258, 38516, 48145, 77032, 96290, 192580, 385160, 702917, 1405834, 2811668, 3514585, 5623336, 7029170, 14058340, 28116680]

約数ペア:

[(1, 28116680), (2, 14058340), (4, 7029170), (5, 5623336), (8, 3514585), (10, 2811668), (20, 1405834), (40, 702917), (73, 385160), (146, 192580), (292, 96290), (365, 77032), (584, 48145), (730, 38516), (1460, 19258), (2920, 9629)]