26983240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8539}}^1$

素因数の和:8629

約数の個数: 32

約数和(自身を含む): 61488000

約数和(自身を除く): 34504760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8539, 17078, 34156, 42695, 68312, 85390, 170780, 341560, 674581, 1349162, 2698324, 3372905, 5396648, 6745810, 13491620, 26983240]

約数ペア:

[(1, 26983240), (2, 13491620), (4, 6745810), (5, 5396648), (8, 3372905), (10, 2698324), (20, 1349162), (40, 674581), (79, 341560), (158, 170780), (316, 85390), (395, 68312), (632, 42695), (790, 34156), (1580, 17078), (3160, 8539)]