205980160

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4733}}^1$

素因数の和:4773

約数の個数: 80

約数和(自身を含む): 523031256

約数和(自身を除く): 317051096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 4733, 5440, 8704, 9466, 10880, 18932, 21760, 23665, 37864, 43520, 47330, 75728, 80461, 94660, 151456, 160922, 189320, 302912, 321844, 378640, 402305, 605824, 643688, 757280, 804610, 1211648, 1287376, 1514560, 1609220, 2423296, 2574752, 3029120, 3218440, 5149504, 6058240, 6436880, 10299008, 12116480, 12873760, 20598016, 25747520, 41196032, 51495040, 102990080, 205980160]

約数ペア:

[(1, 205980160), (2, 102990080), (4, 51495040), (5, 41196032), (8, 25747520), (10, 20598016), (16, 12873760), (17, 12116480), (20, 10299008), (32, 6436880), (34, 6058240), (40, 5149504), (64, 3218440), (68, 3029120), (80, 2574752), (85, 2423296), (128, 1609220), (136, 1514560), (160, 1287376), (170, 1211648), (256, 804610), (272, 757280), (320, 643688), (340, 605824), (512, 402305), (544, 378640), (640, 321844), (680, 302912), (1088, 189320), (1280, 160922), (1360, 151456), (2176, 94660), (2560, 80461), (2720, 75728), (4352, 47330), (4733, 43520), (5440, 37864), (8704, 23665), (9466, 21760), (10880, 18932)]