27688240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20359}}^1$

素因数の和:20389

約数の個数: 40

約数和(自身を含む): 68165280

約数和(自身を除く): 40477040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20359, 40718, 81436, 101795, 162872, 203590, 325744, 346103, 407180, 692206, 814360, 1384412, 1628720, 1730515, 2768824, 3461030, 5537648, 6922060, 13844120, 27688240]

約数ペア:

[(1, 27688240), (2, 13844120), (4, 6922060), (5, 5537648), (8, 3461030), (10, 2768824), (16, 1730515), (17, 1628720), (20, 1384412), (34, 814360), (40, 692206), (68, 407180), (80, 346103), (85, 325744), (136, 203590), (170, 162872), (272, 101795), (340, 81436), (680, 40718), (1360, 20359)]