210646280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{405089}}^1$

素因数の和:405113

約数の個数: 32

約数和(自身を含む): 510413400

約数和(自身を除く): 299767120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 405089, 810178, 1620356, 2025445, 3240712, 4050890, 5266157, 8101780, 10532314, 16203560, 21064628, 26330785, 42129256, 52661570, 105323140, 210646280]

約数ペア:

[(1, 210646280), (2, 105323140), (4, 52661570), (5, 42129256), (8, 26330785), (10, 21064628), (13, 16203560), (20, 10532314), (26, 8101780), (40, 5266157), (52, 4050890), (65, 3240712), (104, 2025445), (130, 1620356), (260, 810178), (520, 405089)]