8872820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 20998656

約数和(自身を除く): 12125836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1301, 1364, 1705, 2602, 3410, 5204, 6505, 6820, 13010, 14311, 26020, 28622, 40331, 57244, 71555, 80662, 143110, 161324, 201655, 286220, 403310, 443641, 806620, 887282, 1774564, 2218205, 4436410, 8872820]

約数ペア:

[(1, 8872820), (2, 4436410), (4, 2218205), (5, 1774564), (10, 887282), (11, 806620), (20, 443641), (22, 403310), (31, 286220), (44, 201655), (55, 161324), (62, 143110), (110, 80662), (124, 71555), (155, 57244), (220, 40331), (310, 28622), (341, 26020), (620, 14311), (682, 13010), (1301, 6820), (1364, 6505), (1705, 5204), (2602, 3410)]