204848800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19697}}^1$

素因数の和:19730

約数の個数: 72

約数和(自身を含む): 538582716

約数和(自身を除く): 333733916

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 19697, 39394, 78788, 98485, 157576, 196970, 256061, 315152, 393940, 492425, 512122, 630304, 787880, 984850, 1024244, 1280305, 1575760, 1969700, 2048488, 2560610, 3151520, 3939400, 4096976, 5121220, 6401525, 7878800, 8193952, 10242440, 12803050, 15757600, 20484880, 25606100, 40969760, 51212200, 102424400, 204848800]

約数ペア:

[(1, 204848800), (2, 102424400), (4, 51212200), (5, 40969760), (8, 25606100), (10, 20484880), (13, 15757600), (16, 12803050), (20, 10242440), (25, 8193952), (26, 7878800), (32, 6401525), (40, 5121220), (50, 4096976), (52, 3939400), (65, 3151520), (80, 2560610), (100, 2048488), (104, 1969700), (130, 1575760), (160, 1280305), (200, 1024244), (208, 984850), (260, 787880), (325, 630304), (400, 512122), (416, 492425), (520, 393940), (650, 315152), (800, 256061), (1040, 196970), (1300, 157576), (2080, 98485), (2600, 78788), (5200, 39394), (10400, 19697)]