51383260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28867}}^1$

素因数の和:28965

約数の個数: 24

約数和(自身を含む): 109121040

約数和(自身を除く): 57737780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 28867, 57734, 115468, 144335, 288670, 577340, 2569163, 5138326, 10276652, 12845815, 25691630, 51383260]

約数ペア:

[(1, 51383260), (2, 25691630), (4, 12845815), (5, 10276652), (10, 5138326), (20, 2569163), (89, 577340), (178, 288670), (356, 144335), (445, 115468), (890, 57734), (1780, 28867)]