27996640

素因数分解:

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

素因数の和:3600

約数の個数: 72

約数和(自身を含む): 76962312

約数和(自身を除く): 48965672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3571, 3920, 7142, 7840, 14284, 17855, 24997, 28568, 35710, 49994, 57136, 71420, 99988, 114272, 124985, 142840, 174979, 199976, 249970, 285680, 349958, 399952, 499940, 571360, 699916, 799904, 874895, 999880, 1399832, 1749790, 1999760, 2799664, 3499580, 3999520, 5599328, 6999160, 13998320, 27996640]

約数ペア:

[(1, 27996640), (2, 13998320), (4, 6999160), (5, 5599328), (7, 3999520), (8, 3499580), (10, 2799664), (14, 1999760), (16, 1749790), (20, 1399832), (28, 999880), (32, 874895), (35, 799904), (40, 699916), (49, 571360), (56, 499940), (70, 399952), (80, 349958), (98, 285680), (112, 249970), (140, 199976), (160, 174979), (196, 142840), (224, 124985), (245, 114272), (280, 99988), (392, 71420), (490, 57136), (560, 49994), (784, 35710), (980, 28568), (1120, 24997), (1568, 17855), (1960, 14284), (3571, 7840), (3920, 7142)]