138885160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43951}}^1$

素因数の和:44041

約数の個数: 32

約数和(自身を含む): 316454400

約数和(自身を除く): 177569240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 43951, 87902, 175804, 219755, 351608, 439510, 879020, 1758040, 3472129, 6944258, 13888516, 17360645, 27777032, 34721290, 69442580, 138885160]

約数ペア:

[(1, 138885160), (2, 69442580), (4, 34721290), (5, 27777032), (8, 17360645), (10, 13888516), (20, 6944258), (40, 3472129), (79, 1758040), (158, 879020), (316, 439510), (395, 351608), (632, 219755), (790, 175804), (1580, 87902), (3160, 43951)]