40190320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 99591840

約数和(自身を除く): 59401520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 193, 274, 304, 380, 386, 548, 685, 760, 772, 965, 1096, 1370, 1520, 1544, 1930, 2192, 2603, 2740, 3088, 3667, 3860, 5206, 5480, 7334, 7720, 10412, 10960, 13015, 14668, 15440, 18335, 20824, 26030, 26441, 29336, 36670, 41648, 52060, 52882, 58672, 73340, 104120, 105764, 132205, 146680, 208240, 211528, 264410, 293360, 423056, 502379, 528820, 1004758, 1057640, 2009516, 2115280, 2511895, 4019032, 5023790, 8038064, 10047580, 20095160, 40190320]

約数ペア:

[(1, 40190320), (2, 20095160), (4, 10047580), (5, 8038064), (8, 5023790), (10, 4019032), (16, 2511895), (19, 2115280), (20, 2009516), (38, 1057640), (40, 1004758), (76, 528820), (80, 502379), (95, 423056), (137, 293360), (152, 264410), (190, 211528), (193, 208240), (274, 146680), (304, 132205), (380, 105764), (386, 104120), (548, 73340), (685, 58672), (760, 52882), (772, 52060), (965, 41648), (1096, 36670), (1370, 29336), (1520, 26441), (1544, 26030), (1930, 20824), (2192, 18335), (2603, 15440), (2740, 14668), (3088, 13015), (3667, 10960), (3860, 10412), (5206, 7720), (5480, 7334)]