38855620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 83825280

約数和(自身を除く): 44969660

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 263, 332, 356, 415, 445, 526, 830, 890, 1052, 1315, 1660, 1780, 2630, 5260, 7387, 14774, 21829, 23407, 29548, 36935, 43658, 46814, 73870, 87316, 93628, 109145, 117035, 147740, 218290, 234070, 436580, 468140, 1942781, 3885562, 7771124, 9713905, 19427810, 38855620]

約数ペア:

[(1, 38855620), (2, 19427810), (4, 9713905), (5, 7771124), (10, 3885562), (20, 1942781), (83, 468140), (89, 436580), (166, 234070), (178, 218290), (263, 147740), (332, 117035), (356, 109145), (415, 93628), (445, 87316), (526, 73870), (830, 46814), (890, 43658), (1052, 36935), (1315, 29548), (1660, 23407), (1780, 21829), (2630, 14774), (5260, 7387)]