12888320

素因数分解:

$2^8\times 5^1\times {\mathrm{10069}}^1$

素因数の和:10090

約数の個数: 36

約数和(自身を含む): 30874620

約数和(自身を除く): 17986300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10069, 20138, 40276, 50345, 80552, 100690, 161104, 201380, 322208, 402760, 644416, 805520, 1288832, 1611040, 2577664, 3222080, 6444160, 12888320]

約数ペア:

[(1, 12888320), (2, 6444160), (4, 3222080), (5, 2577664), (8, 1611040), (10, 1288832), (16, 805520), (20, 644416), (32, 402760), (40, 322208), (64, 201380), (80, 161104), (128, 100690), (160, 80552), (256, 50345), (320, 40276), (640, 20138), (1280, 10069)]