20195647960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26573221}}^1$

素因数の和:26573251

約数の個数: 32

約数和(自身を含む): 47831799600

約数和(自身を除く): 27636151640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26573221, 53146442, 106292884, 132866105, 212585768, 265732210, 504891199, 531464420, 1009782398, 1062928840, 2019564796, 2524455995, 4039129592, 5048911990, 10097823980, 20195647960]

約数ペア:

[(1, 20195647960), (2, 10097823980), (4, 5048911990), (5, 4039129592), (8, 2524455995), (10, 2019564796), (19, 1062928840), (20, 1009782398), (38, 531464420), (40, 504891199), (76, 265732210), (95, 212585768), (152, 132866105), (190, 106292884), (380, 53146442), (760, 26573221)]