51340520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 146534400

約数和(自身を除く): 95193880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 211, 220, 280, 308, 316, 385, 395, 422, 440, 553, 616, 632, 770, 790, 844, 869, 1055, 1106, 1477, 1540, 1580, 1688, 1738, 2110, 2212, 2321, 2765, 2954, 3080, 3160, 3476, 4220, 4345, 4424, 4642, 5530, 5908, 6083, 6952, 7385, 8440, 8690, 9284, 11060, 11605, 11816, 12166, 14770, 16247, 16669, 17380, 18568, 22120, 23210, 24332, 29540, 30415, 32494, 33338, 34760, 46420, 48664, 59080, 60830, 64988, 66676, 81235, 83345, 92840, 116683, 121660, 129976, 133352, 162470, 166690, 183359, 233366, 243320, 324940, 333380, 366718, 466732, 583415, 649880, 666760, 733436, 916795, 933464, 1166830, 1283513, 1466872, 1833590, 2333660, 2567026, 3667180, 4667320, 5134052, 6417565, 7334360, 10268104, 12835130, 25670260, 51340520]

約数ペア:

[(1, 51340520), (2, 25670260), (4, 12835130), (5, 10268104), (7, 7334360), (8, 6417565), (10, 5134052), (11, 4667320), (14, 3667180), (20, 2567026), (22, 2333660), (28, 1833590), (35, 1466872), (40, 1283513), (44, 1166830), (55, 933464), (56, 916795), (70, 733436), (77, 666760), (79, 649880), (88, 583415), (110, 466732), (140, 366718), (154, 333380), (158, 324940), (211, 243320), (220, 233366), (280, 183359), (308, 166690), (316, 162470), (385, 133352), (395, 129976), (422, 121660), (440, 116683), (553, 92840), (616, 83345), (632, 81235), (770, 66676), (790, 64988), (844, 60830), (869, 59080), (1055, 48664), (1106, 46420), (1477, 34760), (1540, 33338), (1580, 32494), (1688, 30415), (1738, 29540), (2110, 24332), (2212, 23210), (2321, 22120), (2765, 18568), (2954, 17380), (3080, 16669), (3160, 16247), (3476, 14770), (4220, 12166), (4345, 11816), (4424, 11605), (4642, 11060), (5530, 9284), (5908, 8690), (6083, 8440), (6952, 7385)]