1028132080

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{74287}}^1$

素因数の和:74473

約数の個数: 40

約数和(自身を含む): 2404256832

約数和(自身を除く): 1376124752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 74287, 148574, 297148, 371435, 594296, 742870, 1188592, 1485740, 2971480, 5942960, 12851651, 25703302, 51406604, 64258255, 102813208, 128516510, 205626416, 257033020, 514066040, 1028132080]

約数ペア:

[(1, 1028132080), (2, 514066040), (4, 257033020), (5, 205626416), (8, 128516510), (10, 102813208), (16, 64258255), (20, 51406604), (40, 25703302), (80, 12851651), (173, 5942960), (346, 2971480), (692, 1485740), (865, 1188592), (1384, 742870), (1730, 594296), (2768, 371435), (3460, 297148), (6920, 148574), (13840, 74287)]