28537520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32429}}^1$

素因数の和:32453

約数の個数: 40

約数和(自身を含む): 72383760

約数和(自身を除く): 43846240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32429, 64858, 129716, 162145, 259432, 324290, 356719, 518864, 648580, 713438, 1297160, 1426876, 1783595, 2594320, 2853752, 3567190, 5707504, 7134380, 14268760, 28537520]

約数ペア:

[(1, 28537520), (2, 14268760), (4, 7134380), (5, 5707504), (8, 3567190), (10, 2853752), (11, 2594320), (16, 1783595), (20, 1426876), (22, 1297160), (40, 713438), (44, 648580), (55, 518864), (80, 356719), (88, 324290), (110, 259432), (176, 162145), (220, 129716), (440, 64858), (880, 32429)]