10398440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20021

約数の個数: 32

約数和(自身を含む): 25197480

約数和(自身を除く): 14799040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 19997, 39994, 79988, 99985, 159976, 199970, 259961, 399940, 519922, 799880, 1039844, 1299805, 2079688, 2599610, 5199220, 10398440]

約数ペア:

[(1, 10398440), (2, 5199220), (4, 2599610), (5, 2079688), (8, 1299805), (10, 1039844), (13, 799880), (20, 519922), (26, 399940), (40, 259961), (52, 199970), (65, 159976), (104, 99985), (130, 79988), (260, 39994), (520, 19997)]