76543640

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2699}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 172530000

約数和(自身を除く): 95986360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2699, 2836, 3545, 5398, 5672, 7090, 10796, 13495, 14180, 21592, 26990, 28360, 53980, 107960, 1913591, 3827182, 7654364, 9567955, 15308728, 19135910, 38271820, 76543640]

約数ペア:

[(1, 76543640), (2, 38271820), (4, 19135910), (5, 15308728), (8, 9567955), (10, 7654364), (20, 3827182), (40, 1913591), (709, 107960), (1418, 53980), (2699, 28360), (2836, 26990), (3545, 21592), (5398, 14180), (5672, 13495), (7090, 10796)]