40403870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13513}}^1$

素因数の和:13556

約数の個数: 32

約数和(自身を含む): 81732672

約数和(自身を除く): 41328802

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 13513, 27026, 67565, 135130, 175669, 310799, 351338, 621598, 878345, 1553995, 1756690, 3107990, 4040387, 8080774, 20201935, 40403870]

約数ペア:

[(1, 40403870), (2, 20201935), (5, 8080774), (10, 4040387), (13, 3107990), (23, 1756690), (26, 1553995), (46, 878345), (65, 621598), (115, 351338), (130, 310799), (230, 175669), (299, 135130), (598, 67565), (1495, 27026), (2990, 13513)]