2020273040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1329127}}^1$

素因数の和:1329159

約数の個数: 40

約数和(自身を含む): 4944356160

約数和(自身を除く): 2924083120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1329127, 2658254, 5316508, 6645635, 10633016, 13291270, 21266032, 25253413, 26582540, 50506826, 53165080, 101013652, 106330160, 126267065, 202027304, 252534130, 404054608, 505068260, 1010136520, 2020273040]

約数ペア:

[(1, 2020273040), (2, 1010136520), (4, 505068260), (5, 404054608), (8, 252534130), (10, 202027304), (16, 126267065), (19, 106330160), (20, 101013652), (38, 53165080), (40, 50506826), (76, 26582540), (80, 25253413), (95, 21266032), (152, 13291270), (190, 10633016), (304, 6645635), (380, 5316508), (760, 2658254), (1520, 1329127)]