80340350

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{4007}}^1$

素因数の和:4420

約数の個数: 24

約数和(自身を含む): 149843088

約数和(自身を除く): 69502738

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4007, 4010, 8014, 10025, 20035, 20050, 40070, 100175, 200350, 1606807, 3213614, 8034035, 16068070, 40170175, 80340350]

約数ペア:

[(1, 80340350), (2, 40170175), (5, 16068070), (10, 8034035), (25, 3213614), (50, 1606807), (401, 200350), (802, 100175), (2005, 40070), (4007, 20050), (4010, 20035), (8014, 10025)]