22878440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43997}}^1$

素因数の和:44021

約数の個数: 32

約数和(自身を含む): 55437480

約数和(自身を除く): 32559040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 43997, 87994, 175988, 219985, 351976, 439970, 571961, 879940, 1143922, 1759880, 2287844, 2859805, 4575688, 5719610, 11439220, 22878440]

約数ペア:

[(1, 22878440), (2, 11439220), (4, 5719610), (5, 4575688), (8, 2859805), (10, 2287844), (13, 1759880), (20, 1143922), (26, 879940), (40, 571961), (52, 439970), (65, 351976), (104, 219985), (130, 175988), (260, 87994), (520, 43997)]