81035680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1190

約数の個数: 96

約数和(自身を含む): 214135488

約数和(自身を除く): 133099808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 820, 880, 902, 1123, 1312, 1640, 1760, 1804, 2246, 2255, 3280, 3608, 4492, 4510, 5615, 6560, 7216, 8984, 9020, 11230, 12353, 14432, 17968, 18040, 22460, 24706, 35936, 36080, 44920, 46043, 49412, 61765, 72160, 89840, 92086, 98824, 123530, 179680, 184172, 197648, 230215, 247060, 368344, 395296, 460430, 494120, 506473, 736688, 920860, 988240, 1012946, 1473376, 1841720, 1976480, 2025892, 2532365, 3683440, 4051784, 5064730, 7366880, 8103568, 10129460, 16207136, 20258920, 40517840, 81035680]

約数ペア:

[(1, 81035680), (2, 40517840), (4, 20258920), (5, 16207136), (8, 10129460), (10, 8103568), (11, 7366880), (16, 5064730), (20, 4051784), (22, 3683440), (32, 2532365), (40, 2025892), (41, 1976480), (44, 1841720), (55, 1473376), (80, 1012946), (82, 988240), (88, 920860), (110, 736688), (160, 506473), (164, 494120), (176, 460430), (205, 395296), (220, 368344), (328, 247060), (352, 230215), (410, 197648), (440, 184172), (451, 179680), (656, 123530), (820, 98824), (880, 92086), (902, 89840), (1123, 72160), (1312, 61765), (1640, 49412), (1760, 46043), (1804, 44920), (2246, 36080), (2255, 35936), (3280, 24706), (3608, 22460), (4492, 18040), (4510, 17968), (5615, 14432), (6560, 12353), (7216, 11230), (8984, 9020)]