89648120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{52121}}^1$

素因数の和:52175

約数の個数: 32

約数和(自身を含む): 206403120

約数和(自身を除く): 116755000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 52121, 104242, 208484, 260605, 416968, 521210, 1042420, 2084840, 2241203, 4482406, 8964812, 11206015, 17929624, 22412030, 44824060, 89648120]

約数ペア:

[(1, 89648120), (2, 44824060), (4, 22412030), (5, 17929624), (8, 11206015), (10, 8964812), (20, 4482406), (40, 2241203), (43, 2084840), (86, 1042420), (172, 521210), (215, 416968), (344, 260605), (430, 208484), (860, 104242), (1720, 52121)]