205503488

素因数分解:

$2^{10}\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2108

約数の個数: 44

約数和(自身を含む): 415082472

約数和(自身を除く): 209578984

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 512, 808, 1024, 1616, 1987, 3232, 3974, 6464, 7948, 12928, 15896, 25856, 31792, 51712, 63584, 103424, 127168, 200687, 254336, 401374, 508672, 802748, 1017344, 1605496, 2034688, 3210992, 6421984, 12843968, 25687936, 51375872, 102751744, 205503488]

約数ペア:

[(1, 205503488), (2, 102751744), (4, 51375872), (8, 25687936), (16, 12843968), (32, 6421984), (64, 3210992), (101, 2034688), (128, 1605496), (202, 1017344), (256, 802748), (404, 508672), (512, 401374), (808, 254336), (1024, 200687), (1616, 127168), (1987, 103424), (3232, 63584), (3974, 51712), (6464, 31792), (7948, 25856), (12928, 15896)]