12489200

素因数分解:

$2^4\times 5^2\times {\mathrm{31223}}^1$

素因数の和:31241

約数の個数: 30

約数和(自身を含む): 30006264

約数和(自身を除く): 17517064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31223, 62446, 124892, 156115, 249784, 312230, 499568, 624460, 780575, 1248920, 1561150, 2497840, 3122300, 6244600, 12489200]

約数ペア:

[(1, 12489200), (2, 6244600), (4, 3122300), (5, 2497840), (8, 1561150), (10, 1248920), (16, 780575), (20, 624460), (25, 499568), (40, 312230), (50, 249784), (80, 156115), (100, 124892), (200, 62446), (400, 31223)]