20100107776

素因数分解:

$2^9\times 7^1\times {\mathrm{79}}^1\times {\mathrm{70991}}^1$

素因数の和:71095

約数の個数: 80

約数和(自身を含む): 46479882240

約数和(自身を除く): 26379774464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 512, 553, 632, 896, 1106, 1264, 1792, 2212, 2528, 3584, 4424, 5056, 8848, 10112, 17696, 20224, 35392, 40448, 70784, 70991, 141568, 141982, 283136, 283964, 496937, 567928, 993874, 1135856, 1987748, 2271712, 3975496, 4543424, 5608289, 7950992, 9086848, 11216578, 15901984, 18173696, 22433156, 31803968, 36347392, 39258023, 44866312, 63607936, 78516046, 89732624, 127215872, 157032092, 179465248, 254431744, 314064184, 358930496, 628128368, 717860992, 1256256736, 1435721984, 2512513472, 2871443968, 5025026944, 10050053888, 20100107776]

約数ペア:

[(1, 20100107776), (2, 10050053888), (4, 5025026944), (7, 2871443968), (8, 2512513472), (14, 1435721984), (16, 1256256736), (28, 717860992), (32, 628128368), (56, 358930496), (64, 314064184), (79, 254431744), (112, 179465248), (128, 157032092), (158, 127215872), (224, 89732624), (256, 78516046), (316, 63607936), (448, 44866312), (512, 39258023), (553, 36347392), (632, 31803968), (896, 22433156), (1106, 18173696), (1264, 15901984), (1792, 11216578), (2212, 9086848), (2528, 7950992), (3584, 5608289), (4424, 4543424), (5056, 3975496), (8848, 2271712), (10112, 1987748), (17696, 1135856), (20224, 993874), (35392, 567928), (40448, 496937), (70784, 283964), (70991, 283136), (141568, 141982)]