40775680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 104

約数和(自身を含む): 107334864

約数和(自身を除く): 66559184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 181, 220, 256, 320, 352, 362, 440, 512, 640, 704, 724, 880, 905, 1024, 1280, 1408, 1448, 1760, 1810, 1991, 2048, 2560, 2816, 2896, 3520, 3620, 3982, 4096, 5120, 5632, 5792, 7040, 7240, 7964, 9955, 10240, 11264, 11584, 14080, 14480, 15928, 19910, 20480, 22528, 23168, 28160, 28960, 31856, 39820, 45056, 46336, 56320, 57920, 63712, 79640, 92672, 112640, 115840, 127424, 159280, 185344, 225280, 231680, 254848, 318560, 370688, 463360, 509696, 637120, 741376, 926720, 1019392, 1274240, 1853440, 2038784, 2548480, 3706880, 4077568, 5096960, 8155136, 10193920, 20387840, 40775680]

約数ペア:

[(1, 40775680), (2, 20387840), (4, 10193920), (5, 8155136), (8, 5096960), (10, 4077568), (11, 3706880), (16, 2548480), (20, 2038784), (22, 1853440), (32, 1274240), (40, 1019392), (44, 926720), (55, 741376), (64, 637120), (80, 509696), (88, 463360), (110, 370688), (128, 318560), (160, 254848), (176, 231680), (181, 225280), (220, 185344), (256, 159280), (320, 127424), (352, 115840), (362, 112640), (440, 92672), (512, 79640), (640, 63712), (704, 57920), (724, 56320), (880, 46336), (905, 45056), (1024, 39820), (1280, 31856), (1408, 28960), (1448, 28160), (1760, 23168), (1810, 22528), (1991, 20480), (2048, 19910), (2560, 15928), (2816, 14480), (2896, 14080), (3520, 11584), (3620, 11264), (3982, 10240), (4096, 9955), (5120, 7964), (5632, 7240), (5792, 7040)]