25550320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18787}}^1$

素因数の和:18817

約数の個数: 40

約数和(自身を含む): 62902224

約数和(自身を除く): 37351904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18787, 37574, 75148, 93935, 150296, 187870, 300592, 319379, 375740, 638758, 751480, 1277516, 1502960, 1596895, 2555032, 3193790, 5110064, 6387580, 12775160, 25550320]

約数ペア:

[(1, 25550320), (2, 12775160), (4, 6387580), (5, 5110064), (8, 3193790), (10, 2555032), (16, 1596895), (17, 1502960), (20, 1277516), (34, 751480), (40, 638758), (68, 375740), (80, 319379), (85, 300592), (136, 187870), (170, 150296), (272, 93935), (340, 75148), (680, 37574), (1360, 18787)]