18248320

素因数分解:

$2^7\times 5^1\times {\mathrm{28513}}^1$

素因数の和:28532

約数の個数: 32

約数和(自身を含む): 43626420

約数和(自身を除く): 25378100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28513, 57026, 114052, 142565, 228104, 285130, 456208, 570260, 912416, 1140520, 1824832, 2281040, 3649664, 4562080, 9124160, 18248320]

約数ペア:

[(1, 18248320), (2, 9124160), (4, 4562080), (5, 3649664), (8, 2281040), (10, 1824832), (16, 1140520), (20, 912416), (32, 570260), (40, 456208), (64, 285130), (80, 228104), (128, 142565), (160, 114052), (320, 57026), (640, 28513)]