27687680

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 67304832

約数和(自身を除く): 39617152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 223, 256, 320, 388, 446, 485, 640, 776, 892, 970, 1115, 1280, 1552, 1784, 1940, 2230, 3104, 3568, 3880, 4460, 6208, 7136, 7760, 8920, 12416, 14272, 15520, 17840, 21631, 24832, 28544, 31040, 35680, 43262, 57088, 62080, 71360, 86524, 108155, 124160, 142720, 173048, 216310, 285440, 346096, 432620, 692192, 865240, 1384384, 1730480, 2768768, 3460960, 5537536, 6921920, 13843840, 27687680]

約数ペア:

[(1, 27687680), (2, 13843840), (4, 6921920), (5, 5537536), (8, 3460960), (10, 2768768), (16, 1730480), (20, 1384384), (32, 865240), (40, 692192), (64, 432620), (80, 346096), (97, 285440), (128, 216310), (160, 173048), (194, 142720), (223, 124160), (256, 108155), (320, 86524), (388, 71360), (446, 62080), (485, 57088), (640, 43262), (776, 35680), (892, 31040), (970, 28544), (1115, 24832), (1280, 21631), (1552, 17840), (1784, 15520), (1940, 14272), (2230, 12416), (3104, 8920), (3568, 7760), (3880, 7136), (4460, 6208)]