55439872

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 80

約数和(自身を含む): 120304800

約数和(自身を除く): 64864928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 139, 152, 164, 256, 278, 304, 328, 512, 556, 608, 656, 779, 1112, 1216, 1312, 1558, 2224, 2432, 2624, 2641, 3116, 4448, 4864, 5248, 5282, 5699, 6232, 8896, 9728, 10496, 10564, 11398, 12464, 17792, 20992, 21128, 22796, 24928, 35584, 42256, 45592, 49856, 71168, 84512, 91184, 99712, 108281, 169024, 182368, 199424, 216562, 338048, 364736, 398848, 433124, 676096, 729472, 866248, 1352192, 1458944, 1732496, 2917888, 3464992, 6929984, 13859968, 27719936, 55439872]

約数ペア:

[(1, 55439872), (2, 27719936), (4, 13859968), (8, 6929984), (16, 3464992), (19, 2917888), (32, 1732496), (38, 1458944), (41, 1352192), (64, 866248), (76, 729472), (82, 676096), (128, 433124), (139, 398848), (152, 364736), (164, 338048), (256, 216562), (278, 199424), (304, 182368), (328, 169024), (512, 108281), (556, 99712), (608, 91184), (656, 84512), (779, 71168), (1112, 49856), (1216, 45592), (1312, 42256), (1558, 35584), (2224, 24928), (2432, 22796), (2624, 21128), (2641, 20992), (3116, 17792), (4448, 12464), (4864, 11398), (5248, 10564), (5282, 10496), (5699, 9728), (6232, 8896)]