159147920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28019}}^1$

素因数の和:28103

約数の個数: 40

約数和(自身を含む): 375243840

約数和(自身を除く): 216095920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 28019, 56038, 112076, 140095, 224152, 280190, 448304, 560380, 1120760, 1989349, 2241520, 3978698, 7957396, 9946745, 15914792, 19893490, 31829584, 39786980, 79573960, 159147920]

約数ペア:

[(1, 159147920), (2, 79573960), (4, 39786980), (5, 31829584), (8, 19893490), (10, 15914792), (16, 9946745), (20, 7957396), (40, 3978698), (71, 2241520), (80, 1989349), (142, 1120760), (284, 560380), (355, 448304), (568, 280190), (710, 224152), (1136, 140095), (1420, 112076), (2840, 56038), (5680, 28019)]