40075540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27449}}^1$

素因数の和:27531

約数の個数: 24

約数和(自身を含む): 85314600

約数和(自身を除く): 45239060

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 27449, 54898, 109796, 137245, 274490, 548980, 2003777, 4007554, 8015108, 10018885, 20037770, 40075540]

約数ペア:

[(1, 40075540), (2, 20037770), (4, 10018885), (5, 8015108), (10, 4007554), (20, 2003777), (73, 548980), (146, 274490), (292, 137245), (365, 109796), (730, 54898), (1460, 27449)]