80967968

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 173205648

約数和(自身を除く): 92237680

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 163, 172, 304, 326, 344, 361, 608, 652, 688, 722, 817, 1304, 1376, 1444, 1634, 2608, 2888, 3097, 3268, 5216, 5776, 6194, 6536, 7009, 11552, 12388, 13072, 14018, 15523, 24776, 26144, 28036, 31046, 49552, 56072, 58843, 62092, 99104, 112144, 117686, 124184, 133171, 224288, 235372, 248368, 266342, 470744, 496736, 532684, 941488, 1065368, 1882976, 2130736, 2530249, 4261472, 5060498, 10120996, 20241992, 40483984, 80967968]

約数ペア:

[(1, 80967968), (2, 40483984), (4, 20241992), (8, 10120996), (16, 5060498), (19, 4261472), (32, 2530249), (38, 2130736), (43, 1882976), (76, 1065368), (86, 941488), (152, 532684), (163, 496736), (172, 470744), (304, 266342), (326, 248368), (344, 235372), (361, 224288), (608, 133171), (652, 124184), (688, 117686), (722, 112144), (817, 99104), (1304, 62092), (1376, 58843), (1444, 56072), (1634, 49552), (2608, 31046), (2888, 28036), (3097, 26144), (3268, 24776), (5216, 15523), (5776, 14018), (6194, 13072), (6536, 12388), (7009, 11552)]