65764280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34981}}^1$

素因数の和:35039

約数の個数: 32

約数和(自身を含む): 151122240

約数和(自身を除く): 85357960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 34981, 69962, 139924, 174905, 279848, 349810, 699620, 1399240, 1644107, 3288214, 6576428, 8220535, 13152856, 16441070, 32882140, 65764280]

約数ペア:

[(1, 65764280), (2, 32882140), (4, 16441070), (5, 13152856), (8, 8220535), (10, 6576428), (20, 3288214), (40, 1644107), (47, 1399240), (94, 699620), (188, 349810), (235, 279848), (376, 174905), (470, 139924), (940, 69962), (1880, 34981)]