40121540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5557}}^1$

素因数の和:5604

約数の個数: 36

約数和(自身を含む): 88939116

約数和(自身を除く): 48817576

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 5557, 7220, 11114, 22228, 27785, 55570, 105583, 111140, 211166, 422332, 527915, 1055830, 2006077, 2111660, 4012154, 8024308, 10030385, 20060770, 40121540]

約数ペア:

[(1, 40121540), (2, 20060770), (4, 10030385), (5, 8024308), (10, 4012154), (19, 2111660), (20, 2006077), (38, 1055830), (76, 527915), (95, 422332), (190, 211166), (361, 111140), (380, 105583), (722, 55570), (1444, 27785), (1805, 22228), (3610, 11114), (5557, 7220)]