25959220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26489}}^1$

素因数の和:26512

約数の個数: 36

約数和(自身を含む): 63417060

約数和(自身を除く): 37457840

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26489, 52978, 105956, 132445, 185423, 264890, 370846, 529780, 741692, 927115, 1297961, 1854230, 2595922, 3708460, 5191844, 6489805, 12979610, 25959220]

約数ペア:

[(1, 25959220), (2, 12979610), (4, 6489805), (5, 5191844), (7, 3708460), (10, 2595922), (14, 1854230), (20, 1297961), (28, 927115), (35, 741692), (49, 529780), (70, 370846), (98, 264890), (140, 185423), (196, 132445), (245, 105956), (490, 52978), (980, 26489)]