80188120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 192741120

約数和(自身を除く): 112553000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 2027, 3956, 4054, 4945, 7912, 8108, 9890, 10135, 16216, 19780, 20270, 39560, 40540, 46621, 81080, 87161, 93242, 174322, 186484, 233105, 348644, 372968, 435805, 466210, 697288, 871610, 932420, 1743220, 1864840, 2004703, 3486440, 4009406, 8018812, 10023515, 16037624, 20047030, 40094060, 80188120]

約数ペア:

[(1, 80188120), (2, 40094060), (4, 20047030), (5, 16037624), (8, 10023515), (10, 8018812), (20, 4009406), (23, 3486440), (40, 2004703), (43, 1864840), (46, 1743220), (86, 932420), (92, 871610), (115, 697288), (172, 466210), (184, 435805), (215, 372968), (230, 348644), (344, 233105), (430, 186484), (460, 174322), (860, 93242), (920, 87161), (989, 81080), (1720, 46621), (1978, 40540), (2027, 39560), (3956, 20270), (4054, 19780), (4945, 16216), (7912, 10135), (8108, 9890)]