9720618440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18693497}}^1$

素因数の和:18693521

約数の個数: 32

約数和(自身を含む): 23553807480

約数和(自身を除く): 13833189040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 18693497, 37386994, 74773988, 93467485, 149547976, 186934970, 243015461, 373869940, 486030922, 747739880, 972061844, 1215077305, 1944123688, 2430154610, 4860309220, 9720618440]

約数ペア:

[(1, 9720618440), (2, 4860309220), (4, 2430154610), (5, 1944123688), (8, 1215077305), (10, 972061844), (13, 747739880), (20, 486030922), (26, 373869940), (40, 243015461), (52, 186934970), (65, 149547976), (104, 93467485), (130, 74773988), (260, 37386994), (520, 18693497)]