72738520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{10889}}^1$

素因数の和:11067

約数の個数: 32

約数和(自身を含む): 164656800

約数和(自身を除く): 91918280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 10889, 21778, 43556, 54445, 87112, 108890, 217780, 435560, 1818463, 3636926, 7273852, 9092315, 14547704, 18184630, 36369260, 72738520]

約数ペア:

[(1, 72738520), (2, 36369260), (4, 18184630), (5, 14547704), (8, 9092315), (10, 7273852), (20, 3636926), (40, 1818463), (167, 435560), (334, 217780), (668, 108890), (835, 87112), (1336, 54445), (1670, 43556), (3340, 21778), (6680, 10889)]