25790660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26317}}^1$

素因数の和:26340

約数の個数: 36

約数和(自身を含む): 63005292

約数和(自身を除く): 37214632

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26317, 52634, 105268, 131585, 184219, 263170, 368438, 526340, 736876, 921095, 1289533, 1842190, 2579066, 3684380, 5158132, 6447665, 12895330, 25790660]

約数ペア:

[(1, 25790660), (2, 12895330), (4, 6447665), (5, 5158132), (7, 3684380), (10, 2579066), (14, 1842190), (20, 1289533), (28, 921095), (35, 736876), (49, 526340), (70, 368438), (98, 263170), (140, 184219), (196, 131585), (245, 105268), (490, 52634), (980, 26317)]