402051260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1546351}}^1$

素因数の和:1546373

約数の個数: 24

約数和(自身を含む): 909254976

約数和(自身を除く): 507203716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1546351, 3092702, 6185404, 7731755, 15463510, 20102563, 30927020, 40205126, 80410252, 100512815, 201025630, 402051260]

約数ペア:

[(1, 402051260), (2, 201025630), (4, 100512815), (5, 80410252), (10, 40205126), (13, 30927020), (20, 20102563), (26, 15463510), (52, 7731755), (65, 6185404), (130, 3092702), (260, 1546351)]