78696040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53173}}^1$

素因数の和:53221

約数の個数: 32

約数和(自身を含む): 181855080

約数和(自身を除く): 103159040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 53173, 106346, 212692, 265865, 425384, 531730, 1063460, 1967401, 2126920, 3934802, 7869604, 9837005, 15739208, 19674010, 39348020, 78696040]

約数ペア:

[(1, 78696040), (2, 39348020), (4, 19674010), (5, 15739208), (8, 9837005), (10, 7869604), (20, 3934802), (37, 2126920), (40, 1967401), (74, 1063460), (148, 531730), (185, 425384), (296, 265865), (370, 212692), (740, 106346), (1480, 53173)]