201248840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387017}}^1$

素因数の和:387041

約数の個数: 32

約数和(自身を含む): 487642680

約数和(自身を除く): 286393840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387017, 774034, 1548068, 1935085, 3096136, 3870170, 5031221, 7740340, 10062442, 15480680, 20124884, 25156105, 40249768, 50312210, 100624420, 201248840]

約数ペア:

[(1, 201248840), (2, 100624420), (4, 50312210), (5, 40249768), (8, 25156105), (10, 20124884), (13, 15480680), (20, 10062442), (26, 7740340), (40, 5031221), (52, 3870170), (65, 3096136), (104, 1935085), (130, 1548068), (260, 774034), (520, 387017)]