80451968

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 168030720

約数和(自身を除く): 87578752

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 128, 172, 188, 311, 344, 376, 622, 688, 752, 1244, 1376, 1504, 2021, 2488, 2752, 3008, 4042, 4976, 5504, 6016, 8084, 9952, 13373, 14617, 16168, 19904, 26746, 29234, 32336, 39808, 53492, 58468, 64672, 106984, 116936, 129344, 213968, 233872, 258688, 427936, 467744, 628531, 855872, 935488, 1257062, 1711744, 1870976, 2514124, 5028248, 10056496, 20112992, 40225984, 80451968]

約数ペア:

[(1, 80451968), (2, 40225984), (4, 20112992), (8, 10056496), (16, 5028248), (32, 2514124), (43, 1870976), (47, 1711744), (64, 1257062), (86, 935488), (94, 855872), (128, 628531), (172, 467744), (188, 427936), (311, 258688), (344, 233872), (376, 213968), (622, 129344), (688, 116936), (752, 106984), (1244, 64672), (1376, 58468), (1504, 53492), (2021, 39808), (2488, 32336), (2752, 29234), (3008, 26746), (4042, 19904), (4976, 16168), (5504, 14617), (6016, 13373), (8084, 9952)]