68507080

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5507}}^1$

素因数の和:5829

約数の個数: 32

約数和(自身を含む): 154664640

約数和(自身を除く): 86157560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5507, 6220, 11014, 12440, 22028, 27535, 44056, 55070, 110140, 220280, 1712677, 3425354, 6850708, 8563385, 13701416, 17126770, 34253540, 68507080]

約数ペア:

[(1, 68507080), (2, 34253540), (4, 17126770), (5, 13701416), (8, 8563385), (10, 6850708), (20, 3425354), (40, 1712677), (311, 220280), (622, 110140), (1244, 55070), (1555, 44056), (2488, 27535), (3110, 22028), (5507, 12440), (6220, 11014)]