80815756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 177151968

約数和(自身を除く): 96336212

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 101, 119, 164, 202, 238, 287, 404, 476, 574, 697, 707, 1148, 1394, 1414, 1681, 1717, 2788, 2828, 3362, 3434, 4141, 4879, 6724, 6868, 8282, 9758, 11767, 12019, 16564, 19516, 23534, 24038, 28577, 28987, 47068, 48076, 57154, 57974, 70397, 114308, 115948, 140794, 169781, 200039, 281588, 339562, 400078, 492779, 679124, 800156, 985558, 1188467, 1971116, 2376934, 2886277, 4753868, 5772554, 11545108, 20203939, 40407878, 80815756]

約数ペア:

[(1, 80815756), (2, 40407878), (4, 20203939), (7, 11545108), (14, 5772554), (17, 4753868), (28, 2886277), (34, 2376934), (41, 1971116), (68, 1188467), (82, 985558), (101, 800156), (119, 679124), (164, 492779), (202, 400078), (238, 339562), (287, 281588), (404, 200039), (476, 169781), (574, 140794), (697, 115948), (707, 114308), (1148, 70397), (1394, 57974), (1414, 57154), (1681, 48076), (1717, 47068), (2788, 28987), (2828, 28577), (3362, 24038), (3434, 23534), (4141, 19516), (4879, 16564), (6724, 12019), (6868, 11767), (8282, 9758)]