15668780420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{22783}}^1$

素因数の和:23180

約数の個数: 48

約数和(自身を含む): 33278128128

約数和(自身を除く): 17609347708

約数列:

[1, 2, 4, 5, 10, 20, 137, 251, 274, 502, 548, 685, 1004, 1255, 1370, 2510, 2740, 5020, 22783, 34387, 45566, 68774, 91132, 113915, 137548, 171935, 227830, 343870, 455660, 687740, 3121271, 5718533, 6242542, 11437066, 12485084, 15606355, 22874132, 28592665, 31212710, 57185330, 62425420, 114370660, 783439021, 1566878042, 3133756084, 3917195105, 7834390210, 15668780420]

約数ペア:

[(1, 15668780420), (2, 7834390210), (4, 3917195105), (5, 3133756084), (10, 1566878042), (20, 783439021), (137, 114370660), (251, 62425420), (274, 57185330), (502, 31212710), (548, 28592665), (685, 22874132), (1004, 15606355), (1255, 12485084), (1370, 11437066), (2510, 6242542), (2740, 5718533), (5020, 3121271), (22783, 687740), (34387, 455660), (45566, 343870), (68774, 227830), (91132, 171935), (113915, 137548)]