16662880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8039

約数の個数: 48

約数和(自身を含む): 42399504

約数和(自身を除く): 25736624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8011, 16022, 32044, 40055, 64088, 80110, 104143, 128176, 160220, 208286, 256352, 320440, 416572, 520715, 640880, 833144, 1041430, 1281760, 1666288, 2082860, 3332576, 4165720, 8331440, 16662880]

約数ペア:

[(1, 16662880), (2, 8331440), (4, 4165720), (5, 3332576), (8, 2082860), (10, 1666288), (13, 1281760), (16, 1041430), (20, 833144), (26, 640880), (32, 520715), (40, 416572), (52, 320440), (65, 256352), (80, 208286), (104, 160220), (130, 128176), (160, 104143), (208, 80110), (260, 64088), (416, 40055), (520, 32044), (1040, 16022), (2080, 8011)]