55503212840

素因数分解:

$2^3\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{545647}}^1$

素因数の和:548201

約数の個数: 32

約数和(自身を含む): 124931566080

約数和(自身を除く): 69428353240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2543, 5086, 10172, 12715, 20344, 25430, 50860, 101720, 545647, 1091294, 2182588, 2728235, 4365176, 5456470, 10912940, 21825880, 1387580321, 2775160642, 5550321284, 6937901605, 11100642568, 13875803210, 27751606420, 55503212840]

約数ペア:

[(1, 55503212840), (2, 27751606420), (4, 13875803210), (5, 11100642568), (8, 6937901605), (10, 5550321284), (20, 2775160642), (40, 1387580321), (2543, 21825880), (5086, 10912940), (10172, 5456470), (12715, 4365176), (20344, 2728235), (25430, 2182588), (50860, 1091294), (101720, 545647)]