40013900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3671}}^1$

素因数の和:3794

約数の個数: 36

約数和(自身を含む): 87650640

約数和(自身を除く): 47636740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 3671, 5450, 7342, 10900, 14684, 18355, 36710, 73420, 91775, 183550, 367100, 400139, 800278, 1600556, 2000695, 4001390, 8002780, 10003475, 20006950, 40013900]

約数ペア:

[(1, 40013900), (2, 20006950), (4, 10003475), (5, 8002780), (10, 4001390), (20, 2000695), (25, 1600556), (50, 800278), (100, 400139), (109, 367100), (218, 183550), (436, 91775), (545, 73420), (1090, 36710), (2180, 18355), (2725, 14684), (3671, 10900), (5450, 7342)]