2489432840

素因数分解:

$2^3\times 5^1\times {\mathrm{8501}}^1\times {\mathrm{7321}}^1$

素因数の和:15833

約数の個数: 32

約数和(自身を含む): 5602647960

約数和(自身を除く): 3113215120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7321, 8501, 14642, 17002, 29284, 34004, 36605, 42505, 58568, 68008, 73210, 85010, 146420, 170020, 292840, 340040, 62235821, 124471642, 248943284, 311179105, 497886568, 622358210, 1244716420, 2489432840]

約数ペア:

[(1, 2489432840), (2, 1244716420), (4, 622358210), (5, 497886568), (8, 311179105), (10, 248943284), (20, 124471642), (40, 62235821), (7321, 340040), (8501, 292840), (14642, 170020), (17002, 146420), (29284, 85010), (34004, 73210), (36605, 68008), (42505, 58568)]