87205540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 187608960

約数和(自身を除く): 100403420

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 263, 281, 295, 526, 562, 590, 1052, 1124, 1180, 1315, 1405, 2630, 2810, 5260, 5620, 15517, 16579, 31034, 33158, 62068, 66316, 73903, 77585, 82895, 147806, 155170, 165790, 295612, 310340, 331580, 369515, 739030, 1478060, 4360277, 8720554, 17441108, 21801385, 43602770, 87205540]

約数ペア:

[(1, 87205540), (2, 43602770), (4, 21801385), (5, 17441108), (10, 8720554), (20, 4360277), (59, 1478060), (118, 739030), (236, 369515), (263, 331580), (281, 310340), (295, 295612), (526, 165790), (562, 155170), (590, 147806), (1052, 82895), (1124, 77585), (1180, 73903), (1315, 66316), (1405, 62068), (2630, 33158), (2810, 31034), (5260, 16579), (5620, 15517)]