8899120

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 20842416

約数和(自身を除く): 11943296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 643, 692, 865, 1286, 1384, 1730, 2572, 2768, 3215, 3460, 5144, 6430, 6920, 10288, 12860, 13840, 25720, 51440, 111239, 222478, 444956, 556195, 889912, 1112390, 1779824, 2224780, 4449560, 8899120]

約数ペア:

[(1, 8899120), (2, 4449560), (4, 2224780), (5, 1779824), (8, 1112390), (10, 889912), (16, 556195), (20, 444956), (40, 222478), (80, 111239), (173, 51440), (346, 25720), (643, 13840), (692, 12860), (865, 10288), (1286, 6920), (1384, 6430), (1730, 5144), (2572, 3460), (2768, 3215)]