8125880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29021}}^1$

素因数の和:29039

約数の個数: 32

約数和(自身を含む): 20895840

約数和(自身を除く): 12769960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29021, 58042, 116084, 145105, 203147, 232168, 290210, 406294, 580420, 812588, 1015735, 1160840, 1625176, 2031470, 4062940, 8125880]

約数ペア:

[(1, 8125880), (2, 4062940), (4, 2031470), (5, 1625176), (7, 1160840), (8, 1015735), (10, 812588), (14, 580420), (20, 406294), (28, 290210), (35, 232168), (40, 203147), (56, 145105), (70, 116084), (140, 58042), (280, 29021)]