51021880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 143700480

約数和(自身を除く): 92678600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 107, 130, 131, 140, 182, 214, 260, 262, 280, 364, 428, 455, 520, 524, 535, 655, 728, 749, 856, 910, 917, 1048, 1070, 1310, 1391, 1498, 1703, 1820, 1834, 2140, 2620, 2782, 2996, 3406, 3640, 3668, 3745, 4280, 4585, 5240, 5564, 5992, 6812, 6955, 7336, 7490, 8515, 9170, 9737, 11128, 11921, 13624, 13910, 14017, 14980, 17030, 18340, 19474, 23842, 27820, 28034, 29960, 34060, 36680, 38948, 47684, 48685, 55640, 56068, 59605, 68120, 70085, 77896, 95368, 97370, 98119, 112136, 119210, 140170, 182221, 194740, 196238, 238420, 280340, 364442, 389480, 392476, 476840, 490595, 560680, 728884, 784952, 911105, 981190, 1275547, 1457768, 1822210, 1962380, 2551094, 3644420, 3924760, 5102188, 6377735, 7288840, 10204376, 12755470, 25510940, 51021880]

約数ペア:

[(1, 51021880), (2, 25510940), (4, 12755470), (5, 10204376), (7, 7288840), (8, 6377735), (10, 5102188), (13, 3924760), (14, 3644420), (20, 2551094), (26, 1962380), (28, 1822210), (35, 1457768), (40, 1275547), (52, 981190), (56, 911105), (65, 784952), (70, 728884), (91, 560680), (104, 490595), (107, 476840), (130, 392476), (131, 389480), (140, 364442), (182, 280340), (214, 238420), (260, 196238), (262, 194740), (280, 182221), (364, 140170), (428, 119210), (455, 112136), (520, 98119), (524, 97370), (535, 95368), (655, 77896), (728, 70085), (749, 68120), (856, 59605), (910, 56068), (917, 55640), (1048, 48685), (1070, 47684), (1310, 38948), (1391, 36680), (1498, 34060), (1703, 29960), (1820, 28034), (1834, 27820), (2140, 23842), (2620, 19474), (2782, 18340), (2996, 17030), (3406, 14980), (3640, 14017), (3668, 13910), (3745, 13624), (4280, 11921), (4585, 11128), (5240, 9737), (5564, 9170), (5992, 8515), (6812, 7490), (6955, 7336)]