26758840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 64087200

約数和(自身を除く): 37328360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 257, 274, 380, 514, 548, 685, 760, 1028, 1096, 1285, 1370, 2056, 2570, 2603, 2740, 4883, 5140, 5206, 5480, 9766, 10280, 10412, 13015, 19532, 20824, 24415, 26030, 35209, 39064, 48830, 52060, 70418, 97660, 104120, 140836, 176045, 195320, 281672, 352090, 668971, 704180, 1337942, 1408360, 2675884, 3344855, 5351768, 6689710, 13379420, 26758840]

約数ペア:

[(1, 26758840), (2, 13379420), (4, 6689710), (5, 5351768), (8, 3344855), (10, 2675884), (19, 1408360), (20, 1337942), (38, 704180), (40, 668971), (76, 352090), (95, 281672), (137, 195320), (152, 176045), (190, 140836), (257, 104120), (274, 97660), (380, 70418), (514, 52060), (548, 48830), (685, 39064), (760, 35209), (1028, 26030), (1096, 24415), (1285, 20824), (1370, 19532), (2056, 13015), (2570, 10412), (2603, 10280), (2740, 9766), (4883, 5480), (5140, 5206)]