51988180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{136811}}^1$

素因数の和:136839

約数の個数: 24

約数和(自身を含む): 114922080

約数和(自身を除く): 62933900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 136811, 273622, 547244, 684055, 1368110, 2599409, 2736220, 5198818, 10397636, 12997045, 25994090, 51988180]

約数ペア:

[(1, 51988180), (2, 25994090), (4, 12997045), (5, 10397636), (10, 5198818), (19, 2736220), (20, 2599409), (38, 1368110), (76, 684055), (95, 547244), (190, 273622), (380, 136811)]