4089291280

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{110881}}^1$

素因数の和:111355

約数の個数: 40

約数和(自身を含む): 9528312024

約数和(自身を除く): 5439020744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 18440, 36880, 110881, 221762, 443524, 554405, 887048, 1108810, 1774096, 2217620, 4435240, 8870480, 51116141, 102232282, 204464564, 255580705, 408929128, 511161410, 817858256, 1022322820, 2044645640, 4089291280]

約数ペア:

[(1, 4089291280), (2, 2044645640), (4, 1022322820), (5, 817858256), (8, 511161410), (10, 408929128), (16, 255580705), (20, 204464564), (40, 102232282), (80, 51116141), (461, 8870480), (922, 4435240), (1844, 2217620), (2305, 1774096), (3688, 1108810), (4610, 887048), (7376, 554405), (9220, 443524), (18440, 221762), (36880, 110881)]