81431569340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{11527}}^1$

素因数の和:11907

約数の個数: 96

約数和(自身を含む): 188665956864

約数和(自身を除く): 107234387524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 197, 220, 326, 394, 652, 788, 815, 985, 1630, 1793, 1970, 2167, 3260, 3586, 3940, 4334, 7172, 8668, 8965, 10835, 11527, 17930, 21670, 23054, 32111, 35860, 43340, 46108, 57635, 64222, 115270, 126797, 128444, 160555, 230540, 253594, 321110, 353221, 507188, 633985, 642220, 706442, 1267970, 1412884, 1766105, 1878901, 2270819, 2535940, 3532210, 3757802, 4541638, 7064420, 7515604, 9083276, 9394505, 11354095, 18789010, 20667911, 22708190, 24979009, 37578020, 41335822, 45416380, 49958018, 82671644, 99916036, 103339555, 124895045, 206679110, 249790090, 370143497, 413358220, 499580180, 740286994, 1480573988, 1850717485, 3701434970, 4071578467, 7402869940, 8143156934, 16286313868, 20357892335, 40715784670, 81431569340]

約数ペア:

[(1, 81431569340), (2, 40715784670), (4, 20357892335), (5, 16286313868), (10, 8143156934), (11, 7402869940), (20, 4071578467), (22, 3701434970), (44, 1850717485), (55, 1480573988), (110, 740286994), (163, 499580180), (197, 413358220), (220, 370143497), (326, 249790090), (394, 206679110), (652, 124895045), (788, 103339555), (815, 99916036), (985, 82671644), (1630, 49958018), (1793, 45416380), (1970, 41335822), (2167, 37578020), (3260, 24979009), (3586, 22708190), (3940, 20667911), (4334, 18789010), (7172, 11354095), (8668, 9394505), (8965, 9083276), (10835, 7515604), (11527, 7064420), (17930, 4541638), (21670, 3757802), (23054, 3532210), (32111, 2535940), (35860, 2270819), (43340, 1878901), (46108, 1766105), (57635, 1412884), (64222, 1267970), (115270, 706442), (126797, 642220), (128444, 633985), (160555, 507188), (230540, 353221), (253594, 321110)]