18126640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32369}}^1$

素因数の和:32389

約数の個数: 40

約数和(自身を含む): 48166560

約数和(自身を除く): 30039920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32369, 64738, 129476, 161845, 226583, 258952, 323690, 453166, 517904, 647380, 906332, 1132915, 1294760, 1812664, 2265830, 2589520, 3625328, 4531660, 9063320, 18126640]

約数ペア:

[(1, 18126640), (2, 9063320), (4, 4531660), (5, 3625328), (7, 2589520), (8, 2265830), (10, 1812664), (14, 1294760), (16, 1132915), (20, 906332), (28, 647380), (35, 517904), (40, 453166), (56, 323690), (70, 258952), (80, 226583), (112, 161845), (140, 129476), (280, 64738), (560, 32369)]