287103688720

素因数分解:

$2^4\times 5^1\times {\mathrm{3588796109}}^1$

素因数の和:3588796122

約数の個数: 20

約数和(自身を含む): 667516076460

約数和(自身を除く): 380412387740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3588796109, 7177592218, 14355184436, 17943980545, 28710368872, 35887961090, 57420737744, 71775922180, 143551844360, 287103688720]

約数ペア:

[(1, 287103688720), (2, 143551844360), (4, 71775922180), (5, 57420737744), (8, 35887961090), (10, 28710368872), (16, 17943980545), (20, 14355184436), (40, 7177592218), (80, 3588796109)]