7872380

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2357}}^1$

素因数の和:2533

約数の個数: 24

約数和(自身を含む): 16638048

約数和(自身を除く): 8765668

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 2357, 3340, 4714, 9428, 11785, 23570, 47140, 393619, 787238, 1574476, 1968095, 3936190, 7872380]

約数ペア:

[(1, 7872380), (2, 3936190), (4, 1968095), (5, 1574476), (10, 787238), (20, 393619), (167, 47140), (334, 23570), (668, 11785), (835, 9428), (1670, 4714), (2357, 3340)]