54178040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193493}}^1$

素因数の和:193511

約数の個数: 32

約数和(自身を含む): 139315680

約数和(自身を除く): 85137640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 193493, 386986, 773972, 967465, 1354451, 1547944, 1934930, 2708902, 3869860, 5417804, 6772255, 7739720, 10835608, 13544510, 27089020, 54178040]

約数ペア:

[(1, 54178040), (2, 27089020), (4, 13544510), (5, 10835608), (7, 7739720), (8, 6772255), (10, 5417804), (14, 3869860), (20, 2708902), (28, 1934930), (35, 1547944), (40, 1354451), (56, 967465), (70, 773972), (140, 386986), (280, 193493)]