80293240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105649}}^1$

素因数の和:105679

約数の個数: 32

約数和(自身を含む): 190170000

約数和(自身を除く): 109876760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105649, 211298, 422596, 528245, 845192, 1056490, 2007331, 2112980, 4014662, 4225960, 8029324, 10036655, 16058648, 20073310, 40146620, 80293240]

約数ペア:

[(1, 80293240), (2, 40146620), (4, 20073310), (5, 16058648), (8, 10036655), (10, 8029324), (19, 4225960), (20, 4014662), (38, 2112980), (40, 2007331), (76, 1056490), (95, 845192), (152, 528245), (190, 422596), (380, 211298), (760, 105649)]