80361520

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2179}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 187331760

約数和(自身を除く): 106970240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2179, 2305, 3688, 4358, 4610, 7376, 8716, 9220, 10895, 17432, 18440, 21790, 34864, 36880, 43580, 87160, 174320, 1004519, 2009038, 4018076, 5022595, 8036152, 10045190, 16072304, 20090380, 40180760, 80361520]

約数ペア:

[(1, 80361520), (2, 40180760), (4, 20090380), (5, 16072304), (8, 10045190), (10, 8036152), (16, 5022595), (20, 4018076), (40, 2009038), (80, 1004519), (461, 174320), (922, 87160), (1844, 43580), (2179, 36880), (2305, 34864), (3688, 21790), (4358, 18440), (4610, 17432), (7376, 10895), (8716, 9220)]