80863240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1033}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 193564800

約数和(自身を除く): 112701560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1033, 1957, 2060, 2066, 3914, 4120, 4132, 5165, 7828, 8264, 9785, 10330, 15656, 19570, 19627, 20660, 39140, 39254, 41320, 78280, 78508, 98135, 106399, 157016, 196270, 212798, 392540, 425596, 531995, 785080, 851192, 1063990, 2021581, 2127980, 4043162, 4255960, 8086324, 10107905, 16172648, 20215810, 40431620, 80863240]

約数ペア:

[(1, 80863240), (2, 40431620), (4, 20215810), (5, 16172648), (8, 10107905), (10, 8086324), (19, 4255960), (20, 4043162), (38, 2127980), (40, 2021581), (76, 1063990), (95, 851192), (103, 785080), (152, 531995), (190, 425596), (206, 392540), (380, 212798), (412, 196270), (515, 157016), (760, 106399), (824, 98135), (1030, 78508), (1033, 78280), (1957, 41320), (2060, 39254), (2066, 39140), (3914, 20660), (4120, 19627), (4132, 19570), (5165, 15656), (7828, 10330), (8264, 9785)]