80322370

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 146764800

約数和(自身を除く): 66442430

約数列:

[1, 2, 5, 10, 181, 199, 223, 362, 398, 446, 905, 995, 1115, 1810, 1990, 2230, 36019, 40363, 44377, 72038, 80726, 88754, 180095, 201815, 221885, 360190, 403630, 443770, 8032237, 16064474, 40161185, 80322370]

約数ペア:

[(1, 80322370), (2, 40161185), (5, 16064474), (10, 8032237), (181, 443770), (199, 403630), (223, 360190), (362, 221885), (398, 201815), (446, 180095), (905, 88754), (995, 80726), (1115, 72038), (1810, 44377), (1990, 40363), (2230, 36019)]