51708400

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:778

約数の個数: 60

約数和(自身を含む): 124960752

約数和(自身を除く): 73252352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 503, 514, 1006, 1028, 1285, 2012, 2056, 2515, 2570, 4024, 4112, 5030, 5140, 6425, 8048, 10060, 10280, 12575, 12850, 20120, 20560, 25150, 25700, 40240, 50300, 51400, 100600, 102800, 129271, 201200, 258542, 517084, 646355, 1034168, 1292710, 2068336, 2585420, 3231775, 5170840, 6463550, 10341680, 12927100, 25854200, 51708400]

約数ペア:

[(1, 51708400), (2, 25854200), (4, 12927100), (5, 10341680), (8, 6463550), (10, 5170840), (16, 3231775), (20, 2585420), (25, 2068336), (40, 1292710), (50, 1034168), (80, 646355), (100, 517084), (200, 258542), (257, 201200), (400, 129271), (503, 102800), (514, 100600), (1006, 51400), (1028, 50300), (1285, 40240), (2012, 25700), (2056, 25150), (2515, 20560), (2570, 20120), (4024, 12850), (4112, 12575), (5030, 10280), (5140, 10060), (6425, 8048)]