2548480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 6696144

約数和(自身を除く): 4147664

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, 640, 704, 724, 880, 905, 1280, 1408, 1448, 1760, 1810, 1991, 2816, 2896, 3520, 3620, 3982, 5792, 7040, 7240, 7964, 9955, 11584, 14080, 14480, 15928, 19910, 23168, 28960, 31856, 39820, 46336, 57920, 63712, 79640, 115840, 127424, 159280, 231680, 254848, 318560, 509696, 637120, 1274240, 2548480]

約数ペア:

[(1, 2548480), (2, 1274240), (4, 637120), (5, 509696), (8, 318560), (10, 254848), (11, 231680), (16, 159280), (20, 127424), (22, 115840), (32, 79640), (40, 63712), (44, 57920), (55, 46336), (64, 39820), (80, 31856), (88, 28960), (110, 23168), (128, 19910), (160, 15928), (176, 14480), (181, 14080), (220, 11584), (256, 9955), (320, 7964), (352, 7240), (362, 7040), (440, 5792), (640, 3982), (704, 3620), (724, 3520), (880, 2896), (905, 2816), (1280, 1991), (1408, 1810), (1448, 1760)]