66651520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8043

約数の個数: 64

約数和(自身を含む): 171617040

約数和(自身を除く): 104965520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8011, 8320, 16022, 32044, 40055, 64088, 80110, 104143, 128176, 160220, 208286, 256352, 320440, 416572, 512704, 520715, 640880, 833144, 1025408, 1041430, 1281760, 1666288, 2082860, 2563520, 3332576, 4165720, 5127040, 6665152, 8331440, 13330304, 16662880, 33325760, 66651520]

約数ペア:

[(1, 66651520), (2, 33325760), (4, 16662880), (5, 13330304), (8, 8331440), (10, 6665152), (13, 5127040), (16, 4165720), (20, 3332576), (26, 2563520), (32, 2082860), (40, 1666288), (52, 1281760), (64, 1041430), (65, 1025408), (80, 833144), (104, 640880), (128, 520715), (130, 512704), (160, 416572), (208, 320440), (260, 256352), (320, 208286), (416, 160220), (520, 128176), (640, 104143), (832, 80110), (1040, 64088), (1664, 40055), (2080, 32044), (4160, 16022), (8011, 8320)]