40208180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5569}}^1$

素因数の和:5616

約数の個数: 36

約数和(自身を含む): 89131140

約数和(自身を除く): 48922960

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 5569, 7220, 11138, 22276, 27845, 55690, 105811, 111380, 211622, 423244, 529055, 1058110, 2010409, 2116220, 4020818, 8041636, 10052045, 20104090, 40208180]

約数ペア:

[(1, 40208180), (2, 20104090), (4, 10052045), (5, 8041636), (10, 4020818), (19, 2116220), (20, 2010409), (38, 1058110), (76, 529055), (95, 423244), (190, 211622), (361, 111380), (380, 105811), (722, 55690), (1444, 27845), (1805, 22276), (3610, 11138), (5569, 7220)]