138841120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78887}}^1$

素因数の和:78913

約数の個数: 48

約数和(自身を含む): 357835968

約数和(自身を除く): 218994848

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, 78887, 157774, 315548, 394435, 631096, 788870, 867757, 1262192, 1577740, 1735514, 2524384, 3155480, 3471028, 4338785, 6310960, 6942056, 8677570, 12621920, 13884112, 17355140, 27768224, 34710280, 69420560, 138841120]

約数ペア:

[(1, 138841120), (2, 69420560), (4, 34710280), (5, 27768224), (8, 17355140), (10, 13884112), (11, 12621920), (16, 8677570), (20, 6942056), (22, 6310960), (32, 4338785), (40, 3471028), (44, 3155480), (55, 2524384), (80, 1735514), (88, 1577740), (110, 1262192), (160, 867757), (176, 788870), (220, 631096), (352, 394435), (440, 315548), (880, 157774), (1760, 78887)]