212819480

素因数分解:

$2^3\times 5^1\times {\mathrm{5320487}}^1$

素因数の和:5320498

約数の個数: 16

約数和(自身を含む): 478843920

約数和(自身を除く): 266024440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5320487, 10640974, 21281948, 26602435, 42563896, 53204870, 106409740, 212819480]

約数ペア:

[(1, 212819480), (2, 106409740), (4, 53204870), (5, 42563896), (8, 26602435), (10, 21281948), (20, 10640974), (40, 5320487)]