20221471400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7777489}}^1$

素因数の和:7777518

約数の個数: 48

約数和(自身を含む): 50631459900

約数和(自身を除く): 30409988500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7777489, 15554978, 31109956, 38887445, 62219912, 77774890, 101107357, 155549780, 194437225, 202214714, 311099560, 388874450, 404429428, 505536785, 777748900, 808858856, 1011073570, 1555497800, 2022147140, 2527683925, 4044294280, 5055367850, 10110735700, 20221471400]

約数ペア:

[(1, 20221471400), (2, 10110735700), (4, 5055367850), (5, 4044294280), (8, 2527683925), (10, 2022147140), (13, 1555497800), (20, 1011073570), (25, 808858856), (26, 777748900), (40, 505536785), (50, 404429428), (52, 388874450), (65, 311099560), (100, 202214714), (104, 194437225), (130, 155549780), (200, 101107357), (260, 77774890), (325, 62219912), (520, 38887445), (650, 31109956), (1300, 15554978), (2600, 7777489)]