2798920

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3551480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 419, 668, 835, 838, 1336, 1670, 1676, 2095, 3340, 3352, 4190, 6680, 8380, 16760, 69973, 139946, 279892, 349865, 559784, 699730, 1399460, 2798920]

約数ペア:

[(1, 2798920), (2, 1399460), (4, 699730), (5, 559784), (8, 349865), (10, 279892), (20, 139946), (40, 69973), (167, 16760), (334, 8380), (419, 6680), (668, 4190), (835, 3352), (838, 3340), (1336, 2095), (1670, 1676)]