2783649040

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{2111}}^1$

素因数の和:2488

約数の個数: 80

約数和(自身を含む): 6618433536

約数和(自身を除く): 3834784496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 311, 424, 530, 622, 848, 1060, 1244, 1555, 2111, 2120, 2488, 3110, 4222, 4240, 4976, 6220, 8444, 10555, 12440, 16483, 16888, 21110, 24880, 32966, 33776, 42220, 65932, 82415, 84440, 111883, 131864, 164830, 168880, 223766, 263728, 329660, 447532, 559415, 656521, 659320, 895064, 1118830, 1313042, 1318640, 1790128, 2237660, 2626084, 3282605, 4475320, 5252168, 6565210, 8950640, 10504336, 13130420, 26260840, 34795613, 52521680, 69591226, 139182452, 173978065, 278364904, 347956130, 556729808, 695912260, 1391824520, 2783649040]

約数ペア:

[(1, 2783649040), (2, 1391824520), (4, 695912260), (5, 556729808), (8, 347956130), (10, 278364904), (16, 173978065), (20, 139182452), (40, 69591226), (53, 52521680), (80, 34795613), (106, 26260840), (212, 13130420), (265, 10504336), (311, 8950640), (424, 6565210), (530, 5252168), (622, 4475320), (848, 3282605), (1060, 2626084), (1244, 2237660), (1555, 1790128), (2111, 1318640), (2120, 1313042), (2488, 1118830), (3110, 895064), (4222, 659320), (4240, 656521), (4976, 559415), (6220, 447532), (8444, 329660), (10555, 263728), (12440, 223766), (16483, 168880), (16888, 164830), (21110, 131864), (24880, 111883), (32966, 84440), (33776, 82415), (42220, 65932)]