200718440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385997}}^1$

素因数の和:386021

約数の個数: 32

約数和(自身を含む): 486357480

約数和(自身を除く): 285639040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385997, 771994, 1543988, 1929985, 3087976, 3859970, 5017961, 7719940, 10035922, 15439880, 20071844, 25089805, 40143688, 50179610, 100359220, 200718440]

約数ペア:

[(1, 200718440), (2, 100359220), (4, 50179610), (5, 40143688), (8, 25089805), (10, 20071844), (13, 15439880), (20, 10035922), (26, 7719940), (40, 5017961), (52, 3859970), (65, 3087976), (104, 1929985), (130, 1543988), (260, 771994), (520, 385997)]