89207440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{3251}}^1$

素因数の和:3285

約数の個数: 80

約数和(自身を含む): 241948800

約数和(自身を除く): 152741360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3251, 3430, 3920, 5488, 6502, 6860, 13004, 13720, 16255, 22757, 26008, 27440, 32510, 45514, 52016, 65020, 91028, 113785, 130040, 159299, 182056, 227570, 260080, 318598, 364112, 455140, 637196, 796495, 910280, 1115093, 1274392, 1592990, 1820560, 2230186, 2548784, 3185980, 4460372, 5575465, 6371960, 8920744, 11150930, 12743920, 17841488, 22301860, 44603720, 89207440]

約数ペア:

[(1, 89207440), (2, 44603720), (4, 22301860), (5, 17841488), (7, 12743920), (8, 11150930), (10, 8920744), (14, 6371960), (16, 5575465), (20, 4460372), (28, 3185980), (35, 2548784), (40, 2230186), (49, 1820560), (56, 1592990), (70, 1274392), (80, 1115093), (98, 910280), (112, 796495), (140, 637196), (196, 455140), (245, 364112), (280, 318598), (343, 260080), (392, 227570), (490, 182056), (560, 159299), (686, 130040), (784, 113785), (980, 91028), (1372, 65020), (1715, 52016), (1960, 45514), (2744, 32510), (3251, 27440), (3430, 26008), (3920, 22757), (5488, 16255), (6502, 13720), (6860, 13004)]