668897860

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{53003}}^1$

素因数の和:53643

約数の個数: 24

約数和(自身を含む): 1406938176

約数和(自身を除く): 738040316

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 53003, 106006, 212012, 265015, 530030, 1060060, 33444893, 66889786, 133779572, 167224465, 334448930, 668897860]

約数ペア:

[(1, 668897860), (2, 334448930), (4, 167224465), (5, 133779572), (10, 66889786), (20, 33444893), (631, 1060060), (1262, 530030), (2524, 265015), (3155, 212012), (6310, 106006), (12620, 53003)]