8491985420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1\times {\mathrm{4201}}^1$

素因数の和:6170

約数の個数: 48

約数和(自身を含む): 18183499488

約数和(自身を除く): 9691514068

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1907, 3814, 4201, 7628, 8402, 9535, 16804, 19070, 21005, 38140, 42010, 84020, 101071, 202142, 222653, 404284, 445306, 505355, 890612, 1010710, 1113265, 2021420, 2226530, 4453060, 8011307, 16022614, 32045228, 40056535, 80113070, 160226140, 424599271, 849198542, 1698397084, 2122996355, 4245992710, 8491985420]

約数ペア:

[(1, 8491985420), (2, 4245992710), (4, 2122996355), (5, 1698397084), (10, 849198542), (20, 424599271), (53, 160226140), (106, 80113070), (212, 40056535), (265, 32045228), (530, 16022614), (1060, 8011307), (1907, 4453060), (3814, 2226530), (4201, 2021420), (7628, 1113265), (8402, 1010710), (9535, 890612), (16804, 505355), (19070, 445306), (21005, 404284), (38140, 222653), (42010, 202142), (84020, 101071)]