15887960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36109}}^1$

素因数の和:36131

約数の個数: 32

約数和(自身を含む): 38998800

約数和(自身を除く): 23110840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 36109, 72218, 144436, 180545, 288872, 361090, 397199, 722180, 794398, 1444360, 1588796, 1985995, 3177592, 3971990, 7943980, 15887960]

約数ペア:

[(1, 15887960), (2, 7943980), (4, 3971990), (5, 3177592), (8, 1985995), (10, 1588796), (11, 1444360), (20, 794398), (22, 722180), (40, 397199), (44, 361090), (55, 288872), (88, 180545), (110, 144436), (220, 72218), (440, 36109)]