77888910640

素因数分解:

$2^4\times 5^1\times {\mathrm{973611383}}^1$

素因数の和:973611396

約数の個数: 20

約数和(自身を含む): 181091717424

約数和(自身を除く): 103202806784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 973611383, 1947222766, 3894445532, 4868056915, 7788891064, 9736113830, 15577782128, 19472227660, 38944455320, 77888910640]

約数ペア:

[(1, 77888910640), (2, 38944455320), (4, 19472227660), (5, 15577782128), (8, 9736113830), (10, 7788891064), (16, 4868056915), (20, 3894445532), (40, 1947222766), (80, 973611383)]