16688540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 22792804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2447, 3410, 4894, 6820, 9788, 12235, 24470, 26917, 48940, 53834, 75857, 107668, 134585, 151714, 269170, 303428, 379285, 538340, 758570, 834427, 1517140, 1668854, 3337708, 4172135, 8344270, 16688540]

約数ペア:

[(1, 16688540), (2, 8344270), (4, 4172135), (5, 3337708), (10, 1668854), (11, 1517140), (20, 834427), (22, 758570), (31, 538340), (44, 379285), (55, 303428), (62, 269170), (110, 151714), (124, 134585), (155, 107668), (220, 75857), (310, 53834), (341, 48940), (620, 26917), (682, 24470), (1364, 12235), (1705, 9788), (2447, 6820), (3410, 4894)]