20051340320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{264949}}^1$

素因数の和:265018

約数の個数: 96

約数和(自身を含む): 52879780800

約数和(自身を除く): 32828440480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1376, 1720, 1760, 1892, 2365, 3440, 3784, 4730, 6880, 7568, 9460, 15136, 18920, 37840, 75680, 264949, 529898, 1059796, 1324745, 2119592, 2649490, 2914439, 4239184, 5298980, 5828878, 8478368, 10597960, 11392807, 11657756, 14572195, 21195920, 22785614, 23315512, 29144390, 42391840, 45571228, 46631024, 56964035, 58288780, 91142456, 93262048, 113928070, 116577560, 125320877, 182284912, 227856140, 233155120, 250641754, 364569824, 455712280, 466310240, 501283508, 626604385, 911424560, 1002567016, 1253208770, 1822849120, 2005134032, 2506417540, 4010268064, 5012835080, 10025670160, 20051340320]

約数ペア:

[(1, 20051340320), (2, 10025670160), (4, 5012835080), (5, 4010268064), (8, 2506417540), (10, 2005134032), (11, 1822849120), (16, 1253208770), (20, 1002567016), (22, 911424560), (32, 626604385), (40, 501283508), (43, 466310240), (44, 455712280), (55, 364569824), (80, 250641754), (86, 233155120), (88, 227856140), (110, 182284912), (160, 125320877), (172, 116577560), (176, 113928070), (215, 93262048), (220, 91142456), (344, 58288780), (352, 56964035), (430, 46631024), (440, 45571228), (473, 42391840), (688, 29144390), (860, 23315512), (880, 22785614), (946, 21195920), (1376, 14572195), (1720, 11657756), (1760, 11392807), (1892, 10597960), (2365, 8478368), (3440, 5828878), (3784, 5298980), (4730, 4239184), (6880, 2914439), (7568, 2649490), (9460, 2119592), (15136, 1324745), (18920, 1059796), (37840, 529898), (75680, 264949)]