2008011776

素因数分解:

$2^{10}\times {\mathrm{71}}^2\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 66

約数和(自身を含む): 4081861290

約数和(自身を除く): 2073849514

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 389, 512, 568, 778, 1024, 1136, 1556, 2272, 3112, 4544, 5041, 6224, 9088, 10082, 12448, 18176, 20164, 24896, 27619, 36352, 40328, 49792, 55238, 72704, 80656, 99584, 110476, 161312, 199168, 220952, 322624, 398336, 441904, 645248, 883808, 1290496, 1767616, 1960949, 2580992, 3535232, 3921898, 5161984, 7070464, 7843796, 14140928, 15687592, 28281856, 31375184, 62750368, 125500736, 251001472, 502002944, 1004005888, 2008011776]

約数ペア:

[(1, 2008011776), (2, 1004005888), (4, 502002944), (8, 251001472), (16, 125500736), (32, 62750368), (64, 31375184), (71, 28281856), (128, 15687592), (142, 14140928), (256, 7843796), (284, 7070464), (389, 5161984), (512, 3921898), (568, 3535232), (778, 2580992), (1024, 1960949), (1136, 1767616), (1556, 1290496), (2272, 883808), (3112, 645248), (4544, 441904), (5041, 398336), (6224, 322624), (9088, 220952), (10082, 199168), (12448, 161312), (18176, 110476), (20164, 99584), (24896, 80656), (27619, 72704), (36352, 55238), (40328, 49792)]