8520280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4019}}^1$

素因数の和:4083

約数の個数: 32

約数和(自身を含む): 19537200

約数和(自身を除く): 11016920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 4019, 8038, 16076, 20095, 32152, 40190, 80380, 160760, 213007, 426014, 852028, 1065035, 1704056, 2130070, 4260140, 8520280]

約数ペア:

[(1, 8520280), (2, 4260140), (4, 2130070), (5, 1704056), (8, 1065035), (10, 852028), (20, 426014), (40, 213007), (53, 160760), (106, 80380), (212, 40190), (265, 32152), (424, 20095), (530, 16076), (1060, 8038), (2120, 4019)]