28731380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12713}}^1$

素因数の和:12835

約数の個数: 24

約数和(自身を含む): 60874632

約数和(自身を除く): 32143252

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12713, 25426, 50852, 63565, 127130, 254260, 1436569, 2873138, 5746276, 7182845, 14365690, 28731380]

約数ペア:

[(1, 28731380), (2, 14365690), (4, 7182845), (5, 5746276), (10, 2873138), (20, 1436569), (113, 254260), (226, 127130), (452, 63565), (565, 50852), (1130, 25426), (2260, 12713)]