55738160

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2711}}^1$

素因数の和:2981

約数の個数: 40

約数和(自身を含む): 130143456

約数和(自身を除く): 74405296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 2711, 4112, 5140, 5422, 10280, 10844, 13555, 20560, 21688, 27110, 43376, 54220, 108440, 216880, 696727, 1393454, 2786908, 3483635, 5573816, 6967270, 11147632, 13934540, 27869080, 55738160]

約数ペア:

[(1, 55738160), (2, 27869080), (4, 13934540), (5, 11147632), (8, 6967270), (10, 5573816), (16, 3483635), (20, 2786908), (40, 1393454), (80, 696727), (257, 216880), (514, 108440), (1028, 54220), (1285, 43376), (2056, 27110), (2570, 21688), (2711, 20560), (4112, 13555), (5140, 10844), (5422, 10280)]