49216640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6991}}^1$

素因数の和:7021

約数の個数: 64

約数和(自身を含む): 128373120

約数和(自身を除く): 79156480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 6991, 7040, 13982, 27964, 34955, 55928, 69910, 76901, 111856, 139820, 153802, 223712, 279640, 307604, 384505, 447424, 559280, 615208, 769010, 894848, 1118560, 1230416, 1538020, 2237120, 2460832, 3076040, 4474240, 4921664, 6152080, 9843328, 12304160, 24608320, 49216640]

約数ペア:

[(1, 49216640), (2, 24608320), (4, 12304160), (5, 9843328), (8, 6152080), (10, 4921664), (11, 4474240), (16, 3076040), (20, 2460832), (22, 2237120), (32, 1538020), (40, 1230416), (44, 1118560), (55, 894848), (64, 769010), (80, 615208), (88, 559280), (110, 447424), (128, 384505), (160, 307604), (176, 279640), (220, 223712), (320, 153802), (352, 139820), (440, 111856), (640, 76901), (704, 69910), (880, 55928), (1408, 34955), (1760, 27964), (3520, 13982), (6991, 7040)]