2019077120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12721}}^1$

素因数の和:12777

約数の個数: 88

約数和(自身を含む): 5000051328

約数和(自身を除く): 2980974208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 12721, 15872, 19840, 25442, 31744, 39680, 50884, 63605, 79360, 101768, 127210, 158720, 203536, 254420, 394351, 407072, 508840, 788702, 814144, 1017680, 1577404, 1628288, 1971755, 2035360, 3154808, 3256576, 3943510, 4070720, 6309616, 6513152, 7887020, 8141440, 12619232, 13026304, 15774040, 16282880, 25238464, 31548080, 32565760, 50476928, 63096160, 65131520, 100953856, 126192320, 201907712, 252384640, 403815424, 504769280, 1009538560, 2019077120]

約数ペア:

[(1, 2019077120), (2, 1009538560), (4, 504769280), (5, 403815424), (8, 252384640), (10, 201907712), (16, 126192320), (20, 100953856), (31, 65131520), (32, 63096160), (40, 50476928), (62, 32565760), (64, 31548080), (80, 25238464), (124, 16282880), (128, 15774040), (155, 13026304), (160, 12619232), (248, 8141440), (256, 7887020), (310, 6513152), (320, 6309616), (496, 4070720), (512, 3943510), (620, 3256576), (640, 3154808), (992, 2035360), (1024, 1971755), (1240, 1628288), (1280, 1577404), (1984, 1017680), (2480, 814144), (2560, 788702), (3968, 508840), (4960, 407072), (5120, 394351), (7936, 254420), (9920, 203536), (12721, 158720), (15872, 127210), (19840, 101768), (25442, 79360), (31744, 63605), (39680, 50884)]