27928120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63473}}^1$

素因数の和:63495

約数の個数: 32

約数和(自身を含む): 68551920

約数和(自身を除く): 40623800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63473, 126946, 253892, 317365, 507784, 634730, 698203, 1269460, 1396406, 2538920, 2792812, 3491015, 5585624, 6982030, 13964060, 27928120]

約数ペア:

[(1, 27928120), (2, 13964060), (4, 6982030), (5, 5585624), (8, 3491015), (10, 2792812), (11, 2538920), (20, 1396406), (22, 1269460), (40, 698203), (44, 634730), (55, 507784), (88, 317365), (110, 253892), (220, 126946), (440, 63473)]