51610640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 128442672

約数和(自身を除く): 76832032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 277, 340, 548, 554, 680, 685, 1096, 1108, 1360, 1370, 1385, 2192, 2216, 2329, 2740, 2770, 4432, 4658, 4709, 5480, 5540, 9316, 9418, 10960, 11080, 11645, 18632, 18836, 22160, 23290, 23545, 37264, 37672, 37949, 46580, 47090, 75344, 75898, 93160, 94180, 151796, 186320, 188360, 189745, 303592, 376720, 379490, 607184, 645133, 758980, 1290266, 1517960, 2580532, 3035920, 3225665, 5161064, 6451330, 10322128, 12902660, 25805320, 51610640]

約数ペア:

[(1, 51610640), (2, 25805320), (4, 12902660), (5, 10322128), (8, 6451330), (10, 5161064), (16, 3225665), (17, 3035920), (20, 2580532), (34, 1517960), (40, 1290266), (68, 758980), (80, 645133), (85, 607184), (136, 379490), (137, 376720), (170, 303592), (272, 189745), (274, 188360), (277, 186320), (340, 151796), (548, 94180), (554, 93160), (680, 75898), (685, 75344), (1096, 47090), (1108, 46580), (1360, 37949), (1370, 37672), (1385, 37264), (2192, 23545), (2216, 23290), (2329, 22160), (2740, 18836), (2770, 18632), (4432, 11645), (4658, 11080), (4709, 10960), (5480, 9418), (5540, 9316)]