27823840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15809}}^1$

素因数の和:15835

約数の個数: 48

約数和(自身を含む): 71714160

約数和(自身を除く): 43890320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15809, 31618, 63236, 79045, 126472, 158090, 173899, 252944, 316180, 347798, 505888, 632360, 695596, 869495, 1264720, 1391192, 1738990, 2529440, 2782384, 3477980, 5564768, 6955960, 13911920, 27823840]

約数ペア:

[(1, 27823840), (2, 13911920), (4, 6955960), (5, 5564768), (8, 3477980), (10, 2782384), (11, 2529440), (16, 1738990), (20, 1391192), (22, 1264720), (32, 869495), (40, 695596), (44, 632360), (55, 505888), (80, 347798), (88, 316180), (110, 252944), (160, 173899), (176, 158090), (220, 126472), (352, 79045), (440, 63236), (880, 31618), (1760, 15809)]