83997440

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 203091840

約数和(自身を除く): 119094400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 479, 548, 640, 685, 958, 1096, 1280, 1370, 1916, 2192, 2395, 2740, 3832, 4384, 4790, 5480, 7664, 8768, 9580, 10960, 15328, 17536, 19160, 21920, 30656, 35072, 38320, 43840, 61312, 65623, 76640, 87680, 122624, 131246, 153280, 175360, 262492, 306560, 328115, 524984, 613120, 656230, 1049968, 1312460, 2099936, 2624920, 4199872, 5249840, 8399744, 10499680, 16799488, 20999360, 41998720, 83997440]

約数ペア:

[(1, 83997440), (2, 41998720), (4, 20999360), (5, 16799488), (8, 10499680), (10, 8399744), (16, 5249840), (20, 4199872), (32, 2624920), (40, 2099936), (64, 1312460), (80, 1049968), (128, 656230), (137, 613120), (160, 524984), (256, 328115), (274, 306560), (320, 262492), (479, 175360), (548, 153280), (640, 131246), (685, 122624), (958, 87680), (1096, 76640), (1280, 65623), (1370, 61312), (1916, 43840), (2192, 38320), (2395, 35072), (2740, 30656), (3832, 21920), (4384, 19160), (4790, 17536), (5480, 15328), (7664, 10960), (8768, 9580)]