31369360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 81512640

約数和(自身を除く): 50143280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 829, 860, 880, 946, 1658, 1720, 1892, 2365, 3316, 3440, 3784, 4145, 4730, 6632, 7568, 8290, 9119, 9460, 13264, 16580, 18238, 18920, 33160, 35647, 36476, 37840, 45595, 66320, 71294, 72952, 91190, 142588, 145904, 178235, 182380, 285176, 356470, 364760, 392117, 570352, 712940, 729520, 784234, 1425880, 1568468, 1960585, 2851760, 3136936, 3921170, 6273872, 7842340, 15684680, 31369360]

約数ペア:

[(1, 31369360), (2, 15684680), (4, 7842340), (5, 6273872), (8, 3921170), (10, 3136936), (11, 2851760), (16, 1960585), (20, 1568468), (22, 1425880), (40, 784234), (43, 729520), (44, 712940), (55, 570352), (80, 392117), (86, 364760), (88, 356470), (110, 285176), (172, 182380), (176, 178235), (215, 145904), (220, 142588), (344, 91190), (430, 72952), (440, 71294), (473, 66320), (688, 45595), (829, 37840), (860, 36476), (880, 35647), (946, 33160), (1658, 18920), (1720, 18238), (1892, 16580), (2365, 13264), (3316, 9460), (3440, 9119), (3784, 8290), (4145, 7568), (4730, 6632)]