4452440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 10152000

約数和(自身を除く): 5699560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1409, 1580, 2818, 3160, 5636, 7045, 11272, 14090, 28180, 56360, 111311, 222622, 445244, 556555, 890488, 1113110, 2226220, 4452440]

約数ペア:

[(1, 4452440), (2, 2226220), (4, 1113110), (5, 890488), (8, 556555), (10, 445244), (20, 222622), (40, 111311), (79, 56360), (158, 28180), (316, 14090), (395, 11272), (632, 7045), (790, 5636), (1409, 3160), (1580, 2818)]