2615676920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{921013}}^1$

素因数の和:921095

約数の個数: 32

約数和(自身を含む): 5968170720

約数和(自身を除く): 3352493800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 921013, 1842026, 3684052, 4605065, 7368104, 9210130, 18420260, 36840520, 65391923, 130783846, 261567692, 326959615, 523135384, 653919230, 1307838460, 2615676920]

約数ペア:

[(1, 2615676920), (2, 1307838460), (4, 653919230), (5, 523135384), (8, 326959615), (10, 261567692), (20, 130783846), (40, 65391923), (71, 36840520), (142, 18420260), (284, 9210130), (355, 7368104), (568, 4605065), (710, 3684052), (1420, 1842026), (2840, 921013)]