2019921775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{64793}}^1$

素因数の和:64875

約数の個数: 24

約数和(自身を含む): 2651370480

約数和(自身を除く): 631448705

約数列:

[1, 5, 25, 29, 43, 145, 215, 725, 1075, 1247, 6235, 31175, 64793, 323965, 1619825, 1878997, 2786099, 9394985, 13930495, 46974925, 69652475, 80796871, 403984355, 2019921775]

約数ペア:

[(1, 2019921775), (5, 403984355), (25, 80796871), (29, 69652475), (43, 46974925), (145, 13930495), (215, 9394985), (725, 2786099), (1075, 1878997), (1247, 1619825), (6235, 323965), (31175, 64793)]