40774520

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1279}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 91929600

約数和(自身を除く): 51155080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1279, 1594, 2558, 3188, 3985, 5116, 6376, 6395, 7970, 10232, 12790, 15940, 25580, 31880, 51160, 1019363, 2038726, 4077452, 5096815, 8154904, 10193630, 20387260, 40774520]

約数ペア:

[(1, 40774520), (2, 20387260), (4, 10193630), (5, 8154904), (8, 5096815), (10, 4077452), (20, 2038726), (40, 1019363), (797, 51160), (1279, 31880), (1594, 25580), (2558, 15940), (3188, 12790), (3985, 10232), (5116, 7970), (6376, 6395)]