82978880

素因数分解:

$2^6\times 5^1\times {\mathrm{259309}}^1$

素因数の和:259326

約数の個数: 28

約数和(自身を含む): 197594220

約数和(自身を除く): 114615340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 259309, 518618, 1037236, 1296545, 2074472, 2593090, 4148944, 5186180, 8297888, 10372360, 16595776, 20744720, 41489440, 82978880]

約数ペア:

[(1, 82978880), (2, 41489440), (4, 20744720), (5, 16595776), (8, 10372360), (10, 8297888), (16, 5186180), (20, 4148944), (32, 2593090), (40, 2074472), (64, 1296545), (80, 1037236), (160, 518618), (320, 259309)]