80408164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 154103040

約数和(自身を除く): 73694876

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 139, 181, 188, 278, 362, 556, 724, 799, 1598, 2363, 3077, 3196, 4726, 6154, 6533, 8507, 9452, 12308, 13066, 17014, 25159, 26132, 34028, 50318, 100636, 111061, 144619, 222122, 289238, 427703, 444244, 578476, 855406, 1182473, 1710812, 2364946, 4729892, 20102041, 40204082, 80408164]

約数ペア:

[(1, 80408164), (2, 40204082), (4, 20102041), (17, 4729892), (34, 2364946), (47, 1710812), (68, 1182473), (94, 855406), (139, 578476), (181, 444244), (188, 427703), (278, 289238), (362, 222122), (556, 144619), (724, 111061), (799, 100636), (1598, 50318), (2363, 34028), (3077, 26132), (3196, 25159), (4726, 17014), (6154, 13066), (6533, 12308), (8507, 9452)]