8813240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2789}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 20088000

約数和(自身を除く): 11274760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2789, 3160, 5578, 11156, 13945, 22312, 27890, 55780, 111560, 220331, 440662, 881324, 1101655, 1762648, 2203310, 4406620, 8813240]

約数ペア:

[(1, 8813240), (2, 4406620), (4, 2203310), (5, 1762648), (8, 1101655), (10, 881324), (20, 440662), (40, 220331), (79, 111560), (158, 55780), (316, 27890), (395, 22312), (632, 13945), (790, 11156), (1580, 5578), (2789, 3160)]