39818120

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1249}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 89775000

約数和(自身を除く): 49956880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1249, 1594, 2498, 3188, 3985, 4996, 6245, 6376, 7970, 9992, 12490, 15940, 24980, 31880, 49960, 995453, 1990906, 3981812, 4977265, 7963624, 9954530, 19909060, 39818120]

約数ペア:

[(1, 39818120), (2, 19909060), (4, 9954530), (5, 7963624), (8, 4977265), (10, 3981812), (20, 1990906), (40, 995453), (797, 49960), (1249, 31880), (1594, 24980), (2498, 15940), (3188, 12490), (3985, 9992), (4996, 7970), (6245, 6376)]