80249920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 205191360

約数和(自身を除く): 124941440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 80, 95, 134, 152, 160, 190, 197, 268, 304, 320, 335, 380, 394, 536, 608, 670, 760, 788, 985, 1072, 1216, 1273, 1340, 1520, 1576, 1970, 2144, 2546, 2680, 3040, 3152, 3743, 3940, 4288, 5092, 5360, 6080, 6304, 6365, 7486, 7880, 10184, 10720, 12608, 12730, 13199, 14972, 15760, 18715, 20368, 21440, 25460, 26398, 29944, 31520, 37430, 40736, 50920, 52796, 59888, 63040, 65995, 74860, 81472, 101840, 105592, 119776, 131990, 149720, 203680, 211184, 239552, 250781, 263980, 299440, 407360, 422368, 501562, 527960, 598880, 844736, 1003124, 1055920, 1197760, 1253905, 2006248, 2111840, 2507810, 4012496, 4223680, 5015620, 8024992, 10031240, 16049984, 20062480, 40124960, 80249920]

約数ペア:

[(1, 80249920), (2, 40124960), (4, 20062480), (5, 16049984), (8, 10031240), (10, 8024992), (16, 5015620), (19, 4223680), (20, 4012496), (32, 2507810), (38, 2111840), (40, 2006248), (64, 1253905), (67, 1197760), (76, 1055920), (80, 1003124), (95, 844736), (134, 598880), (152, 527960), (160, 501562), (190, 422368), (197, 407360), (268, 299440), (304, 263980), (320, 250781), (335, 239552), (380, 211184), (394, 203680), (536, 149720), (608, 131990), (670, 119776), (760, 105592), (788, 101840), (985, 81472), (1072, 74860), (1216, 65995), (1273, 63040), (1340, 59888), (1520, 52796), (1576, 50920), (1970, 40736), (2144, 37430), (2546, 31520), (2680, 29944), (3040, 26398), (3152, 25460), (3743, 21440), (3940, 20368), (4288, 18715), (5092, 15760), (5360, 14972), (6080, 13199), (6304, 12730), (6365, 12608), (7486, 10720), (7880, 10184)]