655880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 899320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 863, 1726, 3452, 4315, 6904, 8630, 16397, 17260, 32794, 34520, 65588, 81985, 131176, 163970, 327940, 655880]

約数ペア:

[(1, 655880), (2, 327940), (4, 163970), (5, 131176), (8, 81985), (10, 65588), (19, 34520), (20, 32794), (38, 17260), (40, 16397), (76, 8630), (95, 6904), (152, 4315), (190, 3452), (380, 1726), (760, 863)]