31883540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9433}}^1$

素因数の和:9468

約数の個数: 36

約数和(自身を含む): 72509724

約数和(自身を除く): 40626184

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9433, 18866, 37732, 47165, 94330, 122629, 188660, 245258, 490516, 613145, 1226290, 1594177, 2452580, 3188354, 6376708, 7970885, 15941770, 31883540]

約数ペア:

[(1, 31883540), (2, 15941770), (4, 7970885), (5, 6376708), (10, 3188354), (13, 2452580), (20, 1594177), (26, 1226290), (52, 613145), (65, 490516), (130, 245258), (169, 188660), (260, 122629), (338, 94330), (676, 47165), (845, 37732), (1690, 18866), (3380, 9433)]