40017980

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2693}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 84182112

約数和(自身を除く): 44164132

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2693, 2972, 3715, 5386, 7430, 10772, 13465, 14860, 26930, 53860, 2000899, 4001798, 8003596, 10004495, 20008990, 40017980]

約数ペア:

[(1, 40017980), (2, 20008990), (4, 10004495), (5, 8003596), (10, 4001798), (20, 2000899), (743, 53860), (1486, 26930), (2693, 14860), (2972, 13465), (3715, 10772), (5386, 7430)]