27918480640

素因数分解:

$2^8\times 5^1\times {\mathrm{2657}}^1\times {\mathrm{8209}}^1$

素因数の和:10887

約数の個数: 72

約数和(自身を含む): 66906803880

約数和(自身を除く): 38988323240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2657, 5314, 8209, 10628, 13285, 16418, 21256, 26570, 32836, 41045, 42512, 53140, 65672, 82090, 85024, 106280, 131344, 164180, 170048, 212560, 262688, 328360, 340096, 425120, 525376, 656720, 680192, 850240, 1050752, 1313440, 1700480, 2101504, 2626880, 3400960, 5253760, 10507520, 21811313, 43622626, 87245252, 109056565, 174490504, 218113130, 348981008, 436226260, 697962016, 872452520, 1395924032, 1744905040, 2791848064, 3489810080, 5583696128, 6979620160, 13959240320, 27918480640]

約数ペア:

[(1, 27918480640), (2, 13959240320), (4, 6979620160), (5, 5583696128), (8, 3489810080), (10, 2791848064), (16, 1744905040), (20, 1395924032), (32, 872452520), (40, 697962016), (64, 436226260), (80, 348981008), (128, 218113130), (160, 174490504), (256, 109056565), (320, 87245252), (640, 43622626), (1280, 21811313), (2657, 10507520), (5314, 5253760), (8209, 3400960), (10628, 2626880), (13285, 2101504), (16418, 1700480), (21256, 1313440), (26570, 1050752), (32836, 850240), (41045, 680192), (42512, 656720), (53140, 525376), (65672, 425120), (82090, 340096), (85024, 328360), (106280, 262688), (131344, 212560), (164180, 170048)]