27500020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22541}}^1$

素因数の和:22611

約数の個数: 24

約数和(自身を含む): 58699368

約数和(自身を除く): 31199348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22541, 45082, 90164, 112705, 225410, 450820, 1375001, 2750002, 5500004, 6875005, 13750010, 27500020]

約数ペア:

[(1, 27500020), (2, 13750010), (4, 6875005), (5, 5500004), (10, 2750002), (20, 1375001), (61, 450820), (122, 225410), (244, 112705), (305, 90164), (610, 45082), (1220, 22541)]