139194040

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{2683}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 313544880

約数和(自身を除く): 174350840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 2594, 2683, 5188, 5366, 6485, 10376, 10732, 12970, 13415, 21464, 25940, 26830, 51880, 53660, 107320, 3479851, 6959702, 13919404, 17399255, 27838808, 34798510, 69597020, 139194040]

約数ペア:

[(1, 139194040), (2, 69597020), (4, 34798510), (5, 27838808), (8, 17399255), (10, 13919404), (20, 6959702), (40, 3479851), (1297, 107320), (2594, 53660), (2683, 51880), (5188, 26830), (5366, 25940), (6485, 21464), (10376, 13415), (10732, 12970)]