8889797920

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{80407}}^1$

素因数の和:81113

約数の個数: 48

約数和(自身を含む): 21032803008

約数和(自身を除く): 12143005088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 22112, 27640, 55280, 80407, 110560, 160814, 321628, 402035, 643256, 804070, 1286512, 1608140, 2573024, 3216280, 6432560, 12865120, 55561237, 111122474, 222244948, 277806185, 444489896, 555612370, 888979792, 1111224740, 1777959584, 2222449480, 4444898960, 8889797920]

約数ペア:

[(1, 8889797920), (2, 4444898960), (4, 2222449480), (5, 1777959584), (8, 1111224740), (10, 888979792), (16, 555612370), (20, 444489896), (32, 277806185), (40, 222244948), (80, 111122474), (160, 55561237), (691, 12865120), (1382, 6432560), (2764, 3216280), (3455, 2573024), (5528, 1608140), (6910, 1286512), (11056, 804070), (13820, 643256), (22112, 402035), (27640, 321628), (55280, 160814), (80407, 110560)]