13439640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{111997}}^1$

素因数の和:112011

約数の個数: 32

約数和(自身を含む): 40319280

約数和(自身を除く): 26879640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 111997, 223994, 335991, 447988, 559985, 671982, 895976, 1119970, 1343964, 1679955, 2239940, 2687928, 3359910, 4479880, 6719820, 13439640]

約数ペア:

[(1, 13439640), (2, 6719820), (3, 4479880), (4, 3359910), (5, 2687928), (6, 2239940), (8, 1679955), (10, 1343964), (12, 1119970), (15, 895976), (20, 671982), (24, 559985), (30, 447988), (40, 335991), (60, 223994), (120, 111997)]