87358840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 202953600

約数和(自身を除く): 115594760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 463, 530, 712, 890, 926, 1060, 1780, 1852, 2120, 2315, 3560, 3704, 4630, 4717, 9260, 9434, 18520, 18868, 23585, 24539, 37736, 41207, 47170, 49078, 82414, 94340, 98156, 122695, 164828, 188680, 196312, 206035, 245390, 329656, 412070, 490780, 824140, 981560, 1648280, 2183971, 4367942, 8735884, 10919855, 17471768, 21839710, 43679420, 87358840]

約数ペア:

[(1, 87358840), (2, 43679420), (4, 21839710), (5, 17471768), (8, 10919855), (10, 8735884), (20, 4367942), (40, 2183971), (53, 1648280), (89, 981560), (106, 824140), (178, 490780), (212, 412070), (265, 329656), (356, 245390), (424, 206035), (445, 196312), (463, 188680), (530, 164828), (712, 122695), (890, 98156), (926, 94340), (1060, 82414), (1780, 49078), (1852, 47170), (2120, 41207), (2315, 37736), (3560, 24539), (3704, 23585), (4630, 18868), (4717, 18520), (9260, 9434)]