8902640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5857}}^1$

素因数の和:5889

約数の個数: 40

約数和(自身を含む): 21791760

約数和(自身を除く): 12889120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5857, 11714, 23428, 29285, 46856, 58570, 93712, 111283, 117140, 222566, 234280, 445132, 468560, 556415, 890264, 1112830, 1780528, 2225660, 4451320, 8902640]

約数ペア:

[(1, 8902640), (2, 4451320), (4, 2225660), (5, 1780528), (8, 1112830), (10, 890264), (16, 556415), (19, 468560), (20, 445132), (38, 234280), (40, 222566), (76, 117140), (80, 111283), (95, 93712), (152, 58570), (190, 46856), (304, 29285), (380, 23428), (760, 11714), (1520, 5857)]