3999520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3593

約数の個数: 48

約数和(自身を含む): 10801728

約数和(自身を除く): 6802208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 3571, 7142, 14284, 17855, 24997, 28568, 35710, 49994, 57136, 71420, 99988, 114272, 124985, 142840, 199976, 249970, 285680, 399952, 499940, 571360, 799904, 999880, 1999760, 3999520]

約数ペア:

[(1, 3999520), (2, 1999760), (4, 999880), (5, 799904), (7, 571360), (8, 499940), (10, 399952), (14, 285680), (16, 249970), (20, 199976), (28, 142840), (32, 124985), (35, 114272), (40, 99988), (56, 71420), (70, 57136), (80, 49994), (112, 35710), (140, 28568), (160, 24997), (224, 17855), (280, 14284), (560, 7142), (1120, 3571)]