40485440

素因数分解:

$2^6\times 5^1\times {\mathrm{126517}}^1$

素因数の和:126534

約数の個数: 28

約数和(自身を含む): 96406716

約数和(自身を除く): 55921276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126517, 253034, 506068, 632585, 1012136, 1265170, 2024272, 2530340, 4048544, 5060680, 8097088, 10121360, 20242720, 40485440]

約数ペア:

[(1, 40485440), (2, 20242720), (4, 10121360), (5, 8097088), (8, 5060680), (10, 4048544), (16, 2530340), (20, 2024272), (32, 1265170), (40, 1012136), (64, 632585), (80, 506068), (160, 253034), (320, 126517)]