81095960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184309}}^1$

素因数の和:184331

約数の個数: 32

約数和(自身を含む): 199054800

約数和(自身を除く): 117958840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 184309, 368618, 737236, 921545, 1474472, 1843090, 2027399, 3686180, 4054798, 7372360, 8109596, 10136995, 16219192, 20273990, 40547980, 81095960]

約数ペア:

[(1, 81095960), (2, 40547980), (4, 20273990), (5, 16219192), (8, 10136995), (10, 8109596), (11, 7372360), (20, 4054798), (22, 3686180), (40, 2027399), (44, 1843090), (55, 1474472), (88, 921545), (110, 737236), (220, 368618), (440, 184309)]