2021657600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 132

約数和(自身を含む): 5053207824

約数和(自身を除く): 3031550224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 157, 160, 200, 256, 314, 320, 400, 503, 512, 628, 640, 785, 800, 1006, 1024, 1256, 1280, 1570, 1600, 2012, 2512, 2515, 2560, 3140, 3200, 3925, 4024, 5024, 5030, 5120, 6280, 6400, 7850, 8048, 10048, 10060, 12560, 12575, 12800, 15700, 16096, 20096, 20120, 25120, 25150, 25600, 31400, 32192, 40192, 40240, 50240, 50300, 62800, 64384, 78971, 80384, 80480, 100480, 100600, 125600, 128768, 157942, 160768, 160960, 200960, 201200, 251200, 257536, 315884, 321920, 394855, 401920, 402400, 502400, 515072, 631768, 643840, 789710, 803840, 804800, 1004800, 1263536, 1287680, 1579420, 1609600, 1974275, 2009600, 2527072, 2575360, 3158840, 3219200, 3948550, 4019200, 5054144, 6317680, 6438400, 7897100, 10108288, 12635360, 12876800, 15794200, 20216576, 25270720, 31588400, 40433152, 50541440, 63176800, 80866304, 101082880, 126353600, 202165760, 252707200, 404331520, 505414400, 1010828800, 2021657600]

約数ペア:

[(1, 2021657600), (2, 1010828800), (4, 505414400), (5, 404331520), (8, 252707200), (10, 202165760), (16, 126353600), (20, 101082880), (25, 80866304), (32, 63176800), (40, 50541440), (50, 40433152), (64, 31588400), (80, 25270720), (100, 20216576), (128, 15794200), (157, 12876800), (160, 12635360), (200, 10108288), (256, 7897100), (314, 6438400), (320, 6317680), (400, 5054144), (503, 4019200), (512, 3948550), (628, 3219200), (640, 3158840), (785, 2575360), (800, 2527072), (1006, 2009600), (1024, 1974275), (1256, 1609600), (1280, 1579420), (1570, 1287680), (1600, 1263536), (2012, 1004800), (2512, 804800), (2515, 803840), (2560, 789710), (3140, 643840), (3200, 631768), (3925, 515072), (4024, 502400), (5024, 402400), (5030, 401920), (5120, 394855), (6280, 321920), (6400, 315884), (7850, 257536), (8048, 251200), (10048, 201200), (10060, 200960), (12560, 160960), (12575, 160768), (12800, 157942), (15700, 128768), (16096, 125600), (20096, 100600), (20120, 100480), (25120, 80480), (25150, 80384), (25600, 78971), (31400, 64384), (32192, 62800), (40192, 50300), (40240, 50240)]