39780620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 92419488

約数和(自身を除く): 52638868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 2477, 3212, 4015, 4954, 8030, 9908, 12385, 16060, 24770, 27247, 49540, 54494, 108988, 136235, 180821, 272470, 361642, 544940, 723284, 904105, 1808210, 1989031, 3616420, 3978062, 7956124, 9945155, 19890310, 39780620]

約数ペア:

[(1, 39780620), (2, 19890310), (4, 9945155), (5, 7956124), (10, 3978062), (11, 3616420), (20, 1989031), (22, 1808210), (44, 904105), (55, 723284), (73, 544940), (110, 361642), (146, 272470), (220, 180821), (292, 136235), (365, 108988), (730, 54494), (803, 49540), (1460, 27247), (1606, 24770), (2477, 16060), (3212, 12385), (4015, 9908), (4954, 8030)]