80660190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206821}}^1$

素因数の和:206844

約数の個数: 32

約数和(自身を含む): 208476576

約数和(自身を除く): 127816386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 206821, 413642, 620463, 1034105, 1240926, 2068210, 2688673, 3102315, 5377346, 6204630, 8066019, 13443365, 16132038, 26886730, 40330095, 80660190]

約数ペア:

[(1, 80660190), (2, 40330095), (3, 26886730), (5, 16132038), (6, 13443365), (10, 8066019), (13, 6204630), (15, 5377346), (26, 3102315), (30, 2688673), (39, 2068210), (65, 1240926), (78, 1034105), (130, 620463), (195, 413642), (390, 206821)]