39982900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^2\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 54

約数和(自身を含む): 89137958

約数和(自身を除く): 49155058

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 181, 188, 235, 362, 470, 724, 905, 940, 1175, 1810, 2209, 2350, 3620, 4418, 4525, 4700, 8507, 8836, 9050, 11045, 17014, 18100, 22090, 34028, 42535, 44180, 55225, 85070, 110450, 170140, 212675, 220900, 399829, 425350, 799658, 850700, 1599316, 1999145, 3998290, 7996580, 9995725, 19991450, 39982900]

約数ペア:

[(1, 39982900), (2, 19991450), (4, 9995725), (5, 7996580), (10, 3998290), (20, 1999145), (25, 1599316), (47, 850700), (50, 799658), (94, 425350), (100, 399829), (181, 220900), (188, 212675), (235, 170140), (362, 110450), (470, 85070), (724, 55225), (905, 44180), (940, 42535), (1175, 34028), (1810, 22090), (2209, 18100), (2350, 17014), (3620, 11045), (4418, 9050), (4525, 8836), (4700, 8507)]