1245742580

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{140603}}^1$

素因数の和:141055

約数の個数: 24

約数和(自身を含む): 2621983392

約数和(自身を除く): 1376240812

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 140603, 281206, 562412, 703015, 1406030, 2812060, 62287129, 124574258, 249148516, 311435645, 622871290, 1245742580]

約数ペア:

[(1, 1245742580), (2, 622871290), (4, 311435645), (5, 249148516), (10, 124574258), (20, 62287129), (443, 2812060), (886, 1406030), (1772, 703015), (2215, 562412), (4430, 281206), (8860, 140603)]