140139520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 88

約数和(自身を含む): 340751808

約数和(自身を除く): 200612288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 271, 320, 404, 505, 512, 542, 640, 808, 1010, 1024, 1084, 1280, 1355, 1616, 2020, 2168, 2560, 2710, 3232, 4040, 4336, 5120, 5420, 6464, 8080, 8672, 10840, 12928, 16160, 17344, 21680, 25856, 27371, 32320, 34688, 43360, 51712, 54742, 64640, 69376, 86720, 103424, 109484, 129280, 136855, 138752, 173440, 218968, 258560, 273710, 277504, 346880, 437936, 517120, 547420, 693760, 875872, 1094840, 1387520, 1751744, 2189680, 3503488, 4379360, 7006976, 8758720, 14013952, 17517440, 28027904, 35034880, 70069760, 140139520]

約数ペア:

[(1, 140139520), (2, 70069760), (4, 35034880), (5, 28027904), (8, 17517440), (10, 14013952), (16, 8758720), (20, 7006976), (32, 4379360), (40, 3503488), (64, 2189680), (80, 1751744), (101, 1387520), (128, 1094840), (160, 875872), (202, 693760), (256, 547420), (271, 517120), (320, 437936), (404, 346880), (505, 277504), (512, 273710), (542, 258560), (640, 218968), (808, 173440), (1010, 138752), (1024, 136855), (1084, 129280), (1280, 109484), (1355, 103424), (1616, 86720), (2020, 69376), (2168, 64640), (2560, 54742), (2710, 51712), (3232, 43360), (4040, 34688), (4336, 32320), (5120, 27371), (5420, 25856), (6464, 21680), (8080, 17344), (8672, 16160), (10840, 12928)]