17782180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5261}}^1$

素因数の和:5296

約数の個数: 36

約数和(自身を含む): 40443732

約数和(自身を除く): 22661552

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5261, 10522, 21044, 26305, 52610, 68393, 105220, 136786, 273572, 341965, 683930, 889109, 1367860, 1778218, 3556436, 4445545, 8891090, 17782180]

約数ペア:

[(1, 17782180), (2, 8891090), (4, 4445545), (5, 3556436), (10, 1778218), (13, 1367860), (20, 889109), (26, 683930), (52, 341965), (65, 273572), (130, 136786), (169, 105220), (260, 68393), (338, 52610), (676, 26305), (845, 21044), (1690, 10522), (3380, 5261)]