40031968

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 42462752

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 172, 188, 344, 376, 619, 688, 752, 1238, 1376, 1504, 2021, 2476, 4042, 4952, 8084, 9904, 16168, 19808, 26617, 29093, 32336, 53234, 58186, 64672, 106468, 116372, 212936, 232744, 425872, 465488, 851744, 930976, 1250999, 2501998, 5003996, 10007992, 20015984, 40031968]

約数ペア:

[(1, 40031968), (2, 20015984), (4, 10007992), (8, 5003996), (16, 2501998), (32, 1250999), (43, 930976), (47, 851744), (86, 465488), (94, 425872), (172, 232744), (188, 212936), (344, 116372), (376, 106468), (619, 64672), (688, 58186), (752, 53234), (1238, 32336), (1376, 29093), (1504, 26617), (2021, 19808), (2476, 16168), (4042, 9904), (4952, 8084)]