2008335872

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:947

約数の個数: 80

約数和(自身を含む): 4242585600

約数和(自身を除く): 2234249728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 431, 479, 512, 608, 862, 958, 1216, 1724, 1916, 2432, 3448, 3832, 4864, 6896, 7664, 8189, 9101, 9728, 13792, 15328, 16378, 18202, 27584, 30656, 32756, 36404, 55168, 61312, 65512, 72808, 110336, 122624, 131024, 145616, 206449, 220672, 245248, 262048, 291232, 412898, 524096, 582464, 825796, 1048192, 1164928, 1651592, 2096384, 2329856, 3303184, 3922531, 4192768, 4659712, 6606368, 7845062, 13212736, 15690124, 26425472, 31380248, 52850944, 62760496, 105701888, 125520992, 251041984, 502083968, 1004167936, 2008335872]

約数ペア:

[(1, 2008335872), (2, 1004167936), (4, 502083968), (8, 251041984), (16, 125520992), (19, 105701888), (32, 62760496), (38, 52850944), (64, 31380248), (76, 26425472), (128, 15690124), (152, 13212736), (256, 7845062), (304, 6606368), (431, 4659712), (479, 4192768), (512, 3922531), (608, 3303184), (862, 2329856), (958, 2096384), (1216, 1651592), (1724, 1164928), (1916, 1048192), (2432, 825796), (3448, 582464), (3832, 524096), (4864, 412898), (6896, 291232), (7664, 262048), (8189, 245248), (9101, 220672), (9728, 206449), (13792, 145616), (15328, 131024), (16378, 122624), (18202, 110336), (27584, 72808), (30656, 65512), (32756, 61312), (36404, 55168)]