85850000

素因数分解:

$2^4\times 5^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 222313896

約数和(自身を除く): 136463896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 101, 125, 136, 170, 200, 202, 250, 272, 340, 400, 404, 425, 500, 505, 625, 680, 808, 850, 1000, 1010, 1250, 1360, 1616, 1700, 1717, 2000, 2020, 2125, 2500, 2525, 3125, 3400, 3434, 4040, 4250, 5000, 5050, 6250, 6800, 6868, 8080, 8500, 8585, 10000, 10100, 10625, 12500, 12625, 13736, 17000, 17170, 20200, 21250, 25000, 25250, 27472, 34000, 34340, 40400, 42500, 42925, 50000, 50500, 53125, 63125, 68680, 85000, 85850, 101000, 106250, 126250, 137360, 170000, 171700, 202000, 212500, 214625, 252500, 315625, 343400, 425000, 429250, 505000, 631250, 686800, 850000, 858500, 1010000, 1073125, 1262500, 1717000, 2146250, 2525000, 3434000, 4292500, 5050000, 5365625, 8585000, 10731250, 17170000, 21462500, 42925000, 85850000]

約数ペア:

[(1, 85850000), (2, 42925000), (4, 21462500), (5, 17170000), (8, 10731250), (10, 8585000), (16, 5365625), (17, 5050000), (20, 4292500), (25, 3434000), (34, 2525000), (40, 2146250), (50, 1717000), (68, 1262500), (80, 1073125), (85, 1010000), (100, 858500), (101, 850000), (125, 686800), (136, 631250), (170, 505000), (200, 429250), (202, 425000), (250, 343400), (272, 315625), (340, 252500), (400, 214625), (404, 212500), (425, 202000), (500, 171700), (505, 170000), (625, 137360), (680, 126250), (808, 106250), (850, 101000), (1000, 85850), (1010, 85000), (1250, 68680), (1360, 63125), (1616, 53125), (1700, 50500), (1717, 50000), (2000, 42925), (2020, 42500), (2125, 40400), (2500, 34340), (2525, 34000), (3125, 27472), (3400, 25250), (3434, 25000), (4040, 21250), (4250, 20200), (5000, 17170), (5050, 17000), (6250, 13736), (6800, 12625), (6868, 12500), (8080, 10625), (8500, 10100), (8585, 10000)]