51427870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 107412480

約数和(自身を除く): 55984610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 190, 235, 247, 443, 470, 494, 611, 886, 893, 1222, 1235, 1786, 2215, 2470, 3055, 4430, 4465, 5759, 6110, 8417, 8930, 11518, 11609, 16834, 20821, 23218, 28795, 41642, 42085, 57590, 58045, 84170, 104105, 109421, 116090, 208210, 218842, 270673, 395599, 541346, 547105, 791198, 1094210, 1353365, 1977995, 2706730, 3955990, 5142787, 10285574, 25713935, 51427870]

約数ペア:

[(1, 51427870), (2, 25713935), (5, 10285574), (10, 5142787), (13, 3955990), (19, 2706730), (26, 1977995), (38, 1353365), (47, 1094210), (65, 791198), (94, 547105), (95, 541346), (130, 395599), (190, 270673), (235, 218842), (247, 208210), (443, 116090), (470, 109421), (494, 104105), (611, 84170), (886, 58045), (893, 57590), (1222, 42085), (1235, 41642), (1786, 28795), (2215, 23218), (2470, 20821), (3055, 16834), (4430, 11609), (4465, 11518), (5759, 8930), (6110, 8417)]