28320980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 65028096

約数和(自身を除く): 36707116

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2687, 5270, 5374, 10540, 10748, 13435, 26870, 45679, 53740, 83297, 91358, 166594, 182716, 228395, 333188, 416485, 456790, 832970, 913580, 1416049, 1665940, 2832098, 5664196, 7080245, 14160490, 28320980]

約数ペア:

[(1, 28320980), (2, 14160490), (4, 7080245), (5, 5664196), (10, 2832098), (17, 1665940), (20, 1416049), (31, 913580), (34, 832970), (62, 456790), (68, 416485), (85, 333188), (124, 228395), (155, 182716), (170, 166594), (310, 91358), (340, 83297), (527, 53740), (620, 45679), (1054, 26870), (2108, 13435), (2635, 10748), (2687, 10540), (5270, 5374)]