13553240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4289}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 30888000

約数和(自身を除く): 17334760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4289, 8578, 17156, 21445, 34312, 42890, 85780, 171560, 338831, 677662, 1355324, 1694155, 2710648, 3388310, 6776620, 13553240]

約数ペア:

[(1, 13553240), (2, 6776620), (4, 3388310), (5, 2710648), (8, 1694155), (10, 1355324), (20, 677662), (40, 338831), (79, 171560), (158, 85780), (316, 42890), (395, 34312), (632, 21445), (790, 17156), (1580, 8578), (3160, 4289)]