28367480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22877}}^1$

素因数の和:22919

約数の個数: 32

約数和(自身を含む): 65888640

約数和(自身を除く): 37521160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22877, 45754, 91508, 114385, 183016, 228770, 457540, 709187, 915080, 1418374, 2836748, 3545935, 5673496, 7091870, 14183740, 28367480]

約数ペア:

[(1, 28367480), (2, 14183740), (4, 7091870), (5, 5673496), (8, 3545935), (10, 2836748), (20, 1418374), (31, 915080), (40, 709187), (62, 457540), (124, 228770), (155, 183016), (248, 114385), (310, 91508), (620, 45754), (1240, 22877)]