8439760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2153}}^1$

素因数の和:2180

約数の個数: 60

約数和(自身を含む): 22836708

約数和(自身を除く): 14396948

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2153, 3920, 4306, 8612, 10765, 15071, 17224, 21530, 30142, 34448, 43060, 60284, 75355, 86120, 105497, 120568, 150710, 172240, 210994, 241136, 301420, 421988, 527485, 602840, 843976, 1054970, 1205680, 1687952, 2109940, 4219880, 8439760]

約数ペア:

[(1, 8439760), (2, 4219880), (4, 2109940), (5, 1687952), (7, 1205680), (8, 1054970), (10, 843976), (14, 602840), (16, 527485), (20, 421988), (28, 301420), (35, 241136), (40, 210994), (49, 172240), (56, 150710), (70, 120568), (80, 105497), (98, 86120), (112, 75355), (140, 60284), (196, 43060), (245, 34448), (280, 30142), (392, 21530), (490, 17224), (560, 15071), (784, 10765), (980, 8612), (1960, 4306), (2153, 3920)]