16687960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5281}}^1$

素因数の和:5371

約数の個数: 32

約数和(自身を含む): 38030400

約数和(自身を除く): 21342440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5281, 10562, 21124, 26405, 42248, 52810, 105620, 211240, 417199, 834398, 1668796, 2085995, 3337592, 4171990, 8343980, 16687960]

約数ペア:

[(1, 16687960), (2, 8343980), (4, 4171990), (5, 3337592), (8, 2085995), (10, 1668796), (20, 834398), (40, 417199), (79, 211240), (158, 105620), (316, 52810), (395, 42248), (632, 26405), (790, 21124), (1580, 10562), (3160, 5281)]