87509680

素因数分解:

$2^4\times 5^1\times {\mathrm{1093871}}^1$

素因数の和:1093884

約数の個数: 20

約数和(自身を含む): 203460192

約数和(自身を除く): 115950512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093871, 2187742, 4375484, 5469355, 8750968, 10938710, 17501936, 21877420, 43754840, 87509680]

約数ペア:

[(1, 87509680), (2, 43754840), (4, 21877420), (5, 17501936), (8, 10938710), (10, 8750968), (16, 5469355), (20, 4375484), (40, 2187742), (80, 1093871)]