20111897800

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{3313}}^1$

素因数の和:3695

約数の個数: 96

約数和(自身を含む): 47339827200

約数和(自身を除く): 27227929400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 239, 254, 478, 508, 635, 956, 1016, 1195, 1270, 1912, 2390, 2540, 3175, 3313, 4780, 5080, 5975, 6350, 6626, 9560, 11950, 12700, 13252, 16565, 23900, 25400, 26504, 30353, 33130, 47800, 60706, 66260, 82825, 121412, 132520, 151765, 165650, 242824, 303530, 331300, 420751, 607060, 662600, 758825, 791807, 841502, 1214120, 1517650, 1583614, 1683004, 2103755, 3035300, 3167228, 3366008, 3959035, 4207510, 6070600, 6334456, 7918070, 8415020, 10518775, 15836140, 16830040, 19795175, 21037550, 31672280, 39590350, 42075100, 79180700, 84150200, 100559489, 158361400, 201118978, 402237956, 502797445, 804475912, 1005594890, 2011189780, 2513987225, 4022379560, 5027974450, 10055948900, 20111897800]

約数ペア:

[(1, 20111897800), (2, 10055948900), (4, 5027974450), (5, 4022379560), (8, 2513987225), (10, 2011189780), (20, 1005594890), (25, 804475912), (40, 502797445), (50, 402237956), (100, 201118978), (127, 158361400), (200, 100559489), (239, 84150200), (254, 79180700), (478, 42075100), (508, 39590350), (635, 31672280), (956, 21037550), (1016, 19795175), (1195, 16830040), (1270, 15836140), (1912, 10518775), (2390, 8415020), (2540, 7918070), (3175, 6334456), (3313, 6070600), (4780, 4207510), (5080, 3959035), (5975, 3366008), (6350, 3167228), (6626, 3035300), (9560, 2103755), (11950, 1683004), (12700, 1583614), (13252, 1517650), (16565, 1214120), (23900, 841502), (25400, 791807), (26504, 758825), (30353, 662600), (33130, 607060), (47800, 420751), (60706, 331300), (66260, 303530), (82825, 242824), (121412, 165650), (132520, 151765)]