54998920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72367}}^1$

素因数の和:72397

約数の個数: 32

約数和(自身を含む): 130262400

約数和(自身を除く): 75263480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72367, 144734, 289468, 361835, 578936, 723670, 1374973, 1447340, 2749946, 2894680, 5499892, 6874865, 10999784, 13749730, 27499460, 54998920]

約数ペア:

[(1, 54998920), (2, 27499460), (4, 13749730), (5, 10999784), (8, 6874865), (10, 5499892), (19, 2894680), (20, 2749946), (38, 1447340), (40, 1374973), (76, 723670), (95, 578936), (152, 361835), (190, 289468), (380, 144734), (760, 72367)]