25645480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91591}}^1$

素因数の和:91609

約数の個数: 32

約数和(自身を含む): 65946240

約数和(自身を除く): 40300760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91591, 183182, 366364, 457955, 641137, 732728, 915910, 1282274, 1831820, 2564548, 3205685, 3663640, 5129096, 6411370, 12822740, 25645480]

約数ペア:

[(1, 25645480), (2, 12822740), (4, 6411370), (5, 5129096), (7, 3663640), (8, 3205685), (10, 2564548), (14, 1831820), (20, 1282274), (28, 915910), (35, 732728), (40, 641137), (56, 457955), (70, 366364), (140, 183182), (280, 91591)]