29985040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19727}}^1$

素因数の和:19759

約数の個数: 40

約数和(自身を含む): 73388160

約数和(自身を除く): 43403120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19727, 39454, 78908, 98635, 157816, 197270, 315632, 374813, 394540, 749626, 789080, 1499252, 1578160, 1874065, 2998504, 3748130, 5997008, 7496260, 14992520, 29985040]

約数ペア:

[(1, 29985040), (2, 14992520), (4, 7496260), (5, 5997008), (8, 3748130), (10, 2998504), (16, 1874065), (19, 1578160), (20, 1499252), (38, 789080), (40, 749626), (76, 394540), (80, 374813), (95, 315632), (152, 197270), (190, 157816), (304, 98635), (380, 78908), (760, 39454), (1520, 19727)]