87939880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2473}}^1$

素因数の和:2618

約数の個数: 64

約数和(自身を含む): 228003840

約数和(自身を除く): 140063960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2473, 2540, 3556, 4445, 4946, 5080, 7112, 8890, 9892, 12365, 17311, 17780, 19784, 24730, 34622, 35560, 49460, 69244, 86555, 98920, 138488, 173110, 314071, 346220, 628142, 692440, 1256284, 1570355, 2198497, 2512568, 3140710, 4396994, 6281420, 8793988, 10992485, 12562840, 17587976, 21984970, 43969940, 87939880]

約数ペア:

[(1, 87939880), (2, 43969940), (4, 21984970), (5, 17587976), (7, 12562840), (8, 10992485), (10, 8793988), (14, 6281420), (20, 4396994), (28, 3140710), (35, 2512568), (40, 2198497), (56, 1570355), (70, 1256284), (127, 692440), (140, 628142), (254, 346220), (280, 314071), (508, 173110), (635, 138488), (889, 98920), (1016, 86555), (1270, 69244), (1778, 49460), (2473, 35560), (2540, 34622), (3556, 24730), (4445, 19784), (4946, 17780), (5080, 17311), (7112, 12365), (8890, 9892)]