159162560

素因数分解:

$2^6\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1013}}^1$

素因数の和:1521

約数の個数: 56

約数和(自身を含む): 380152656

約数和(自身を除く): 220990096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491, 982, 1013, 1964, 2026, 2455, 3928, 4052, 4910, 5065, 7856, 8104, 9820, 10130, 15712, 16208, 19640, 20260, 31424, 32416, 39280, 40520, 64832, 78560, 81040, 157120, 162080, 324160, 497383, 994766, 1989532, 2486915, 3979064, 4973830, 7958128, 9947660, 15916256, 19895320, 31832512, 39790640, 79581280, 159162560]

約数ペア:

[(1, 159162560), (2, 79581280), (4, 39790640), (5, 31832512), (8, 19895320), (10, 15916256), (16, 9947660), (20, 7958128), (32, 4973830), (40, 3979064), (64, 2486915), (80, 1989532), (160, 994766), (320, 497383), (491, 324160), (982, 162080), (1013, 157120), (1964, 81040), (2026, 78560), (2455, 64832), (3928, 40520), (4052, 39280), (4910, 32416), (5065, 31424), (7856, 20260), (8104, 19640), (9820, 16208), (10130, 15712)]