127685080

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{1979}}^1$

素因数の和:3603

約数の個数: 32

約数和(自身を含む): 287614800

約数和(自身を除く): 159929720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 1979, 3226, 3958, 6452, 7916, 8065, 9895, 12904, 15832, 16130, 19790, 32260, 39580, 64520, 79160, 3192127, 6384254, 12768508, 15960635, 25537016, 31921270, 63842540, 127685080]

約数ペア:

[(1, 127685080), (2, 63842540), (4, 31921270), (5, 25537016), (8, 15960635), (10, 12768508), (20, 6384254), (40, 3192127), (1613, 79160), (1979, 64520), (3226, 39580), (3958, 32260), (6452, 19790), (7916, 16130), (8065, 15832), (9895, 12904)]