84782120

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1697}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 191025000

約数和(自身を除く): 106242880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 1697, 2498, 3394, 4996, 6245, 6788, 8485, 9992, 12490, 13576, 16970, 24980, 33940, 49960, 67880, 2119553, 4239106, 8478212, 10597765, 16956424, 21195530, 42391060, 84782120]

約数ペア:

[(1, 84782120), (2, 42391060), (4, 21195530), (5, 16956424), (8, 10597765), (10, 8478212), (20, 4239106), (40, 2119553), (1249, 67880), (1697, 49960), (2498, 33940), (3394, 24980), (4996, 16970), (6245, 13576), (6788, 12490), (8485, 9992)]