28427360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 73664640

約数和(自身を除く): 45237280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 173, 208, 260, 316, 346, 395, 416, 520, 632, 692, 790, 865, 1027, 1040, 1264, 1384, 1580, 1730, 2054, 2080, 2249, 2528, 2768, 3160, 3460, 4108, 4498, 5135, 5536, 6320, 6920, 8216, 8996, 10270, 11245, 12640, 13667, 13840, 16432, 17992, 20540, 22490, 27334, 27680, 32864, 35984, 41080, 44980, 54668, 68335, 71968, 82160, 89960, 109336, 136670, 164320, 177671, 179920, 218672, 273340, 355342, 359840, 437344, 546680, 710684, 888355, 1093360, 1421368, 1776710, 2186720, 2842736, 3553420, 5685472, 7106840, 14213680, 28427360]

約数ペア:

[(1, 28427360), (2, 14213680), (4, 7106840), (5, 5685472), (8, 3553420), (10, 2842736), (13, 2186720), (16, 1776710), (20, 1421368), (26, 1093360), (32, 888355), (40, 710684), (52, 546680), (65, 437344), (79, 359840), (80, 355342), (104, 273340), (130, 218672), (158, 179920), (160, 177671), (173, 164320), (208, 136670), (260, 109336), (316, 89960), (346, 82160), (395, 71968), (416, 68335), (520, 54668), (632, 44980), (692, 41080), (790, 35984), (865, 32864), (1027, 27680), (1040, 27334), (1264, 22490), (1384, 20540), (1580, 17992), (1730, 16432), (2054, 13840), (2080, 13667), (2249, 12640), (2528, 11245), (2768, 10270), (3160, 8996), (3460, 8216), (4108, 6920), (4498, 6320), (5135, 5536)]