4378604080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{770881}}^1$

素因数の和:770965

約数の個数: 40

約数和(自身を含む): 10323651744

約数和(自身を除く): 5945047664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 770881, 1541762, 3083524, 3854405, 6167048, 7708810, 12334096, 15417620, 30835240, 54732551, 61670480, 109465102, 218930204, 273662755, 437860408, 547325510, 875720816, 1094651020, 2189302040, 4378604080]

約数ペア:

[(1, 4378604080), (2, 2189302040), (4, 1094651020), (5, 875720816), (8, 547325510), (10, 437860408), (16, 273662755), (20, 218930204), (40, 109465102), (71, 61670480), (80, 54732551), (142, 30835240), (284, 15417620), (355, 12334096), (568, 7708810), (710, 6167048), (1136, 3854405), (1420, 3083524), (2840, 1541762), (5680, 770881)]