28103090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{701}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 53576640

約数和(自身を除く): 25473550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 701, 1055, 1402, 2110, 3505, 4009, 7010, 8018, 13319, 20045, 26638, 40090, 66595, 133190, 147911, 295822, 739555, 1479110, 2810309, 5620618, 14051545, 28103090]

約数ペア:

[(1, 28103090), (2, 14051545), (5, 5620618), (10, 2810309), (19, 1479110), (38, 739555), (95, 295822), (190, 147911), (211, 133190), (422, 66595), (701, 40090), (1055, 26638), (1402, 20045), (2110, 13319), (3505, 8018), (4009, 7010)]