2159240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 5071680

約数和(自身を除く): 2912440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2347, 4694, 9388, 11735, 18776, 23470, 46940, 53981, 93880, 107962, 215924, 269905, 431848, 539810, 1079620, 2159240]

約数ペア:

[(1, 2159240), (2, 1079620), (4, 539810), (5, 431848), (8, 269905), (10, 215924), (20, 107962), (23, 93880), (40, 53981), (46, 46940), (92, 23470), (115, 18776), (184, 11735), (230, 9388), (460, 4694), (920, 2347)]