40388120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19051}}^1$

素因数の和:19115

約数の個数: 32

約数和(自身を含む): 92592720

約数和(自身を除く): 52204600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 19051, 38102, 76204, 95255, 152408, 190510, 381020, 762040, 1009703, 2019406, 4038812, 5048515, 8077624, 10097030, 20194060, 40388120]

約数ペア:

[(1, 40388120), (2, 20194060), (4, 10097030), (5, 8077624), (8, 5048515), (10, 4038812), (20, 2019406), (40, 1009703), (53, 762040), (106, 381020), (212, 190510), (265, 152408), (424, 95255), (530, 76204), (1060, 38102), (2120, 19051)]