5215780

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1039}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 11007360

約数和(自身を除く): 5791580

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1039, 1255, 2078, 2510, 4156, 5020, 5195, 10390, 20780, 260789, 521578, 1043156, 1303945, 2607890, 5215780]

約数ペア:

[(1, 5215780), (2, 2607890), (4, 1303945), (5, 1043156), (10, 521578), (20, 260789), (251, 20780), (502, 10390), (1004, 5195), (1039, 5020), (1255, 4156), (2078, 2510)]