80514534980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{311}}^1\times {\mathrm{106979}}^1$

素因数の和:107321

約数の個数: 72

約数和(自身を含む): 186448167360

約数和(自身を除く): 105933632380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 311, 484, 605, 622, 1210, 1244, 1555, 2420, 3110, 3421, 6220, 6842, 13684, 17105, 34210, 37631, 68420, 75262, 106979, 150524, 188155, 213958, 376310, 427916, 534895, 752620, 1069790, 1176769, 2139580, 2353538, 4707076, 5883845, 11767690, 12944459, 23535380, 25888918, 33270469, 51777836, 64722295, 66540938, 129444590, 133081876, 166352345, 258889180, 332704690, 365975159, 665409380, 731950318, 1463900636, 1829875795, 3659751590, 4025726749, 7319503180, 8051453498, 16102906996, 20128633745, 40257267490, 80514534980]

約数ペア:

[(1, 80514534980), (2, 40257267490), (4, 20128633745), (5, 16102906996), (10, 8051453498), (11, 7319503180), (20, 4025726749), (22, 3659751590), (44, 1829875795), (55, 1463900636), (110, 731950318), (121, 665409380), (220, 365975159), (242, 332704690), (311, 258889180), (484, 166352345), (605, 133081876), (622, 129444590), (1210, 66540938), (1244, 64722295), (1555, 51777836), (2420, 33270469), (3110, 25888918), (3421, 23535380), (6220, 12944459), (6842, 11767690), (13684, 5883845), (17105, 4707076), (34210, 2353538), (37631, 2139580), (68420, 1176769), (75262, 1069790), (106979, 752620), (150524, 534895), (188155, 427916), (213958, 376310)]