80998240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 200049696

約数和(自身を除く): 119051456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 122, 160, 172, 193, 215, 244, 305, 344, 386, 430, 488, 610, 688, 772, 860, 965, 976, 1220, 1376, 1544, 1720, 1930, 1952, 2440, 2623, 3088, 3440, 3860, 4880, 5246, 6176, 6880, 7720, 8299, 9760, 10492, 11773, 13115, 15440, 16598, 20984, 23546, 26230, 30880, 33196, 41495, 41968, 47092, 52460, 58865, 66392, 82990, 83936, 94184, 104920, 117730, 132784, 165980, 188368, 209840, 235460, 265568, 331960, 376736, 419680, 470920, 506239, 663920, 941840, 1012478, 1327840, 1883680, 2024956, 2531195, 4049912, 5062390, 8099824, 10124780, 16199648, 20249560, 40499120, 80998240]

約数ペア:

[(1, 80998240), (2, 40499120), (4, 20249560), (5, 16199648), (8, 10124780), (10, 8099824), (16, 5062390), (20, 4049912), (32, 2531195), (40, 2024956), (43, 1883680), (61, 1327840), (80, 1012478), (86, 941840), (122, 663920), (160, 506239), (172, 470920), (193, 419680), (215, 376736), (244, 331960), (305, 265568), (344, 235460), (386, 209840), (430, 188368), (488, 165980), (610, 132784), (688, 117730), (772, 104920), (860, 94184), (965, 83936), (976, 82990), (1220, 66392), (1376, 58865), (1544, 52460), (1720, 47092), (1930, 41968), (1952, 41495), (2440, 33196), (2623, 30880), (3088, 26230), (3440, 23546), (3860, 20984), (4880, 16598), (5246, 15440), (6176, 13115), (6880, 11773), (7720, 10492), (8299, 9760)]