81033100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42649}}^1$

素因数の和:42682

約数の個数: 36

約数和(自身を含む): 185101000

約数和(自身を除く): 104067900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 42649, 85298, 170596, 213245, 426490, 810331, 852980, 1066225, 1620662, 2132450, 3241324, 4051655, 4264900, 8103310, 16206620, 20258275, 40516550, 81033100]

約数ペア:

[(1, 81033100), (2, 40516550), (4, 20258275), (5, 16206620), (10, 8103310), (19, 4264900), (20, 4051655), (25, 3241324), (38, 2132450), (50, 1620662), (76, 1066225), (95, 852980), (100, 810331), (190, 426490), (380, 213245), (475, 170596), (950, 85298), (1900, 42649)]