4284520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 10264320

約数和(自身を除く): 5979800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 53, 86, 94, 106, 172, 188, 212, 215, 235, 265, 344, 376, 424, 430, 470, 530, 860, 940, 1060, 1720, 1880, 2021, 2120, 2279, 2491, 4042, 4558, 4982, 8084, 9116, 9964, 10105, 11395, 12455, 16168, 18232, 19928, 20210, 22790, 24910, 40420, 45580, 49820, 80840, 91160, 99640, 107113, 214226, 428452, 535565, 856904, 1071130, 2142260, 4284520]

約数ペア:

[(1, 4284520), (2, 2142260), (4, 1071130), (5, 856904), (8, 535565), (10, 428452), (20, 214226), (40, 107113), (43, 99640), (47, 91160), (53, 80840), (86, 49820), (94, 45580), (106, 40420), (172, 24910), (188, 22790), (212, 20210), (215, 19928), (235, 18232), (265, 16168), (344, 12455), (376, 11395), (424, 10105), (430, 9964), (470, 9116), (530, 8084), (860, 4982), (940, 4558), (1060, 4042), (1720, 2491), (1880, 2279), (2021, 2120)]