248864240

素因数分解:

$2^4\times 5^1\times {\mathrm{3110803}}^1$

素因数の和:3110816

約数の個数: 20

約数和(自身を含む): 578609544

約数和(自身を除く): 329745304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3110803, 6221606, 12443212, 15554015, 24886424, 31108030, 49772848, 62216060, 124432120, 248864240]

約数ペア:

[(1, 248864240), (2, 124432120), (4, 62216060), (5, 49772848), (8, 31108030), (10, 24886424), (16, 15554015), (20, 12443212), (40, 6221606), (80, 3110803)]