55143320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 136760400

約数和(自身を除く): 81617080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 53, 74, 76, 95, 106, 148, 152, 185, 190, 212, 265, 296, 370, 380, 424, 530, 703, 740, 760, 1007, 1060, 1369, 1406, 1480, 1961, 2014, 2120, 2738, 2812, 3515, 3922, 4028, 5035, 5476, 5624, 6845, 7030, 7844, 8056, 9805, 10070, 10952, 13690, 14060, 15688, 19610, 20140, 26011, 27380, 28120, 37259, 39220, 40280, 52022, 54760, 72557, 74518, 78440, 104044, 130055, 145114, 149036, 186295, 208088, 260110, 290228, 298072, 362785, 372590, 520220, 580456, 725570, 745180, 1040440, 1378583, 1451140, 1490360, 2757166, 2902280, 5514332, 6892915, 11028664, 13785830, 27571660, 55143320]

約数ペア:

[(1, 55143320), (2, 27571660), (4, 13785830), (5, 11028664), (8, 6892915), (10, 5514332), (19, 2902280), (20, 2757166), (37, 1490360), (38, 1451140), (40, 1378583), (53, 1040440), (74, 745180), (76, 725570), (95, 580456), (106, 520220), (148, 372590), (152, 362785), (185, 298072), (190, 290228), (212, 260110), (265, 208088), (296, 186295), (370, 149036), (380, 145114), (424, 130055), (530, 104044), (703, 78440), (740, 74518), (760, 72557), (1007, 54760), (1060, 52022), (1369, 40280), (1406, 39220), (1480, 37259), (1961, 28120), (2014, 27380), (2120, 26011), (2738, 20140), (2812, 19610), (3515, 15688), (3922, 14060), (4028, 13690), (5035, 10952), (5476, 10070), (5624, 9805), (6845, 8056), (7030, 7844)]