140052760

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13313}}^1$

素因数の和:13587

約数の個数: 32

約数和(自身を含む): 316340640

約数和(自身を除く): 176287880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 13313, 26626, 53252, 66565, 106504, 133130, 266260, 532520, 3501319, 7002638, 14005276, 17506595, 28010552, 35013190, 70026380, 140052760]

約数ペア:

[(1, 140052760), (2, 70026380), (4, 35013190), (5, 28010552), (8, 17506595), (10, 14005276), (20, 7002638), (40, 3501319), (263, 532520), (526, 266260), (1052, 133130), (1315, 106504), (2104, 66565), (2630, 53252), (5260, 26626), (10520, 13313)]