156927920

素因数分解:

$2^4\times 5^1\times {\mathrm{863}}^1\times {\mathrm{2273}}^1$

素因数の和:3149

約数の個数: 40

約数和(自身を含む): 365440896

約数和(自身を除く): 208512976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 1726, 2273, 3452, 4315, 4546, 6904, 8630, 9092, 11365, 13808, 17260, 18184, 22730, 34520, 36368, 45460, 69040, 90920, 181840, 1961599, 3923198, 7846396, 9807995, 15692792, 19615990, 31385584, 39231980, 78463960, 156927920]

約数ペア:

[(1, 156927920), (2, 78463960), (4, 39231980), (5, 31385584), (8, 19615990), (10, 15692792), (16, 9807995), (20, 7846396), (40, 3923198), (80, 1961599), (863, 181840), (1726, 90920), (2273, 69040), (3452, 45460), (4315, 36368), (4546, 34520), (6904, 22730), (8630, 18184), (9092, 17260), (11365, 13808)]