39959820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{221999}}^1$

素因数の和:222014

約数の個数: 36

約数和(自身を含む): 121212000

約数和(自身を除く): 81252180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 221999, 443998, 665997, 887996, 1109995, 1331994, 1997991, 2219990, 2663988, 3329985, 3995982, 4439980, 6659970, 7991964, 9989955, 13319940, 19979910, 39959820]

約数ペア:

[(1, 39959820), (2, 19979910), (3, 13319940), (4, 9989955), (5, 7991964), (6, 6659970), (9, 4439980), (10, 3995982), (12, 3329985), (15, 2663988), (18, 2219990), (20, 1997991), (30, 1331994), (36, 1109995), (45, 887996), (60, 665997), (90, 443998), (180, 221999)]