260256440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{224359}}^1$

素因数の和:224399

約数の個数: 32

約数和(自身を含む): 605772000

約数和(自身を除く): 345515560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 224359, 448718, 897436, 1121795, 1794872, 2243590, 4487180, 6506411, 8974360, 13012822, 26025644, 32532055, 52051288, 65064110, 130128220, 260256440]

約数ペア:

[(1, 260256440), (2, 130128220), (4, 65064110), (5, 52051288), (8, 32532055), (10, 26025644), (20, 13012822), (29, 8974360), (40, 6506411), (58, 4487180), (116, 2243590), (145, 1794872), (232, 1121795), (290, 897436), (580, 448718), (1160, 224359)]