6468718000

素因数分解:

$2^4\times 5^3\times {\mathrm{397}}^1\times {\mathrm{8147}}^1$

素因数の和:8567

約数の個数: 80

約数和(自身を含む): 15682683744

約数和(自身を除く): 9213965744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 397, 400, 500, 794, 1000, 1588, 1985, 2000, 3176, 3970, 6352, 7940, 8147, 9925, 15880, 16294, 19850, 31760, 32588, 39700, 40735, 49625, 65176, 79400, 81470, 99250, 130352, 158800, 162940, 198500, 203675, 325880, 397000, 407350, 651760, 794000, 814700, 1018375, 1629400, 2036750, 3234359, 3258800, 4073500, 6468718, 8147000, 12937436, 16171795, 16294000, 25874872, 32343590, 51749744, 64687180, 80858975, 129374360, 161717950, 258748720, 323435900, 404294875, 646871800, 808589750, 1293743600, 1617179500, 3234359000, 6468718000]

約数ペア:

[(1, 6468718000), (2, 3234359000), (4, 1617179500), (5, 1293743600), (8, 808589750), (10, 646871800), (16, 404294875), (20, 323435900), (25, 258748720), (40, 161717950), (50, 129374360), (80, 80858975), (100, 64687180), (125, 51749744), (200, 32343590), (250, 25874872), (397, 16294000), (400, 16171795), (500, 12937436), (794, 8147000), (1000, 6468718), (1588, 4073500), (1985, 3258800), (2000, 3234359), (3176, 2036750), (3970, 1629400), (6352, 1018375), (7940, 814700), (8147, 794000), (9925, 651760), (15880, 407350), (16294, 397000), (19850, 325880), (31760, 203675), (32588, 198500), (39700, 162940), (40735, 158800), (49625, 130352), (65176, 99250), (79400, 81470)]