81221360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92297}}^1$

素因数の和:92321

約数の個数: 40

約数和(自身を含む): 206009136

約数和(自身を除く): 124787776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92297, 184594, 369188, 461485, 738376, 922970, 1015267, 1476752, 1845940, 2030534, 3691880, 4061068, 5076335, 7383760, 8122136, 10152670, 16244272, 20305340, 40610680, 81221360]

約数ペア:

[(1, 81221360), (2, 40610680), (4, 20305340), (5, 16244272), (8, 10152670), (10, 8122136), (11, 7383760), (16, 5076335), (20, 4061068), (22, 3691880), (40, 2030534), (44, 1845940), (55, 1476752), (80, 1015267), (88, 922970), (110, 738376), (176, 461485), (220, 369188), (440, 184594), (880, 92297)]