9945880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{35521}}^1$

素因数の和:35539

約数の個数: 32

約数和(自身を含む): 25575840

約数和(自身を除く): 15629960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 35521, 71042, 142084, 177605, 248647, 284168, 355210, 497294, 710420, 994588, 1243235, 1420840, 1989176, 2486470, 4972940, 9945880]

約数ペア:

[(1, 9945880), (2, 4972940), (4, 2486470), (5, 1989176), (7, 1420840), (8, 1243235), (10, 994588), (14, 710420), (20, 497294), (28, 355210), (35, 284168), (40, 248647), (56, 177605), (70, 142084), (140, 71042), (280, 35521)]