8138780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 19220544

約数和(自身を除く): 11081764

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1361, 1495, 2722, 2990, 5444, 5980, 6805, 13610, 17693, 27220, 31303, 35386, 62606, 70772, 88465, 125212, 156515, 176930, 313030, 353860, 406939, 626060, 813878, 1627756, 2034695, 4069390, 8138780]

約数ペア:

[(1, 8138780), (2, 4069390), (4, 2034695), (5, 1627756), (10, 813878), (13, 626060), (20, 406939), (23, 353860), (26, 313030), (46, 176930), (52, 156515), (65, 125212), (92, 88465), (115, 70772), (130, 62606), (230, 35386), (260, 31303), (299, 27220), (460, 17693), (598, 13610), (1196, 6805), (1361, 5980), (1495, 5444), (2722, 2990)]