2865640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 6658560

約数和(自身を除く): 3792920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2311, 4622, 9244, 11555, 18488, 23110, 46220, 71641, 92440, 143282, 286564, 358205, 573128, 716410, 1432820, 2865640]

約数ペア:

[(1, 2865640), (2, 1432820), (4, 716410), (5, 573128), (8, 358205), (10, 286564), (20, 143282), (31, 92440), (40, 71641), (62, 46220), (124, 23110), (155, 18488), (248, 11555), (310, 9244), (620, 4622), (1240, 2311)]