47457520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 121420800

約数和(自身を除く): 73963280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 271, 398, 440, 542, 796, 880, 995, 1084, 1355, 1592, 1990, 2168, 2189, 2710, 2981, 3184, 3980, 4336, 4378, 5420, 5962, 7960, 8756, 10840, 10945, 11924, 14905, 15920, 17512, 21680, 21890, 23848, 29810, 35024, 43780, 47696, 53929, 59620, 87560, 107858, 119240, 175120, 215716, 238480, 269645, 431432, 539290, 593219, 862864, 1078580, 1186438, 2157160, 2372876, 2966095, 4314320, 4745752, 5932190, 9491504, 11864380, 23728760, 47457520]

約数ペア:

[(1, 47457520), (2, 23728760), (4, 11864380), (5, 9491504), (8, 5932190), (10, 4745752), (11, 4314320), (16, 2966095), (20, 2372876), (22, 2157160), (40, 1186438), (44, 1078580), (55, 862864), (80, 593219), (88, 539290), (110, 431432), (176, 269645), (199, 238480), (220, 215716), (271, 175120), (398, 119240), (440, 107858), (542, 87560), (796, 59620), (880, 53929), (995, 47696), (1084, 43780), (1355, 35024), (1592, 29810), (1990, 23848), (2168, 21890), (2189, 21680), (2710, 17512), (2981, 15920), (3184, 14905), (3980, 11924), (4336, 10945), (4378, 10840), (5420, 8756), (5962, 7960)]