83747320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31249}}^1$

素因数の和:31327

約数の個数: 32

約数和(自身を含む): 191250000

約数和(自身を除く): 107502680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 31249, 62498, 124996, 156245, 249992, 312490, 624980, 1249960, 2093683, 4187366, 8374732, 10468415, 16749464, 20936830, 41873660, 83747320]

約数ペア:

[(1, 83747320), (2, 41873660), (4, 20936830), (5, 16749464), (8, 10468415), (10, 8374732), (20, 4187366), (40, 2093683), (67, 1249960), (134, 624980), (268, 312490), (335, 249992), (536, 156245), (670, 124996), (1340, 62498), (2680, 31249)]