20260340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12823}}^1$

素因数の和:12911

約数の個数: 24

約数和(自身を含む): 43088640

約数和(自身を除く): 22828300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12823, 25646, 51292, 64115, 128230, 256460, 1013017, 2026034, 4052068, 5065085, 10130170, 20260340]

約数ペア:

[(1, 20260340), (2, 10130170), (4, 5065085), (5, 4052068), (10, 2026034), (20, 1013017), (79, 256460), (158, 128230), (316, 64115), (395, 51292), (790, 25646), (1580, 12823)]