66805420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2011}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 154135296

約数和(自身を除く): 87329876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 2011, 3020, 3322, 4022, 6644, 8044, 8305, 10055, 16610, 20110, 22121, 33220, 40220, 44242, 88484, 110605, 221210, 303661, 442420, 607322, 1214644, 1518305, 3036610, 3340271, 6073220, 6680542, 13361084, 16701355, 33402710, 66805420]

約数ペア:

[(1, 66805420), (2, 33402710), (4, 16701355), (5, 13361084), (10, 6680542), (11, 6073220), (20, 3340271), (22, 3036610), (44, 1518305), (55, 1214644), (110, 607322), (151, 442420), (220, 303661), (302, 221210), (604, 110605), (755, 88484), (1510, 44242), (1661, 40220), (2011, 33220), (3020, 22121), (3322, 20110), (4022, 16610), (6644, 10055), (8044, 8305)]