54789160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72091}}^1$

素因数の和:72121

約数の個数: 32

約数和(自身を含む): 129765600

約数和(自身を除く): 74976440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72091, 144182, 288364, 360455, 576728, 720910, 1369729, 1441820, 2739458, 2883640, 5478916, 6848645, 10957832, 13697290, 27394580, 54789160]

約数ペア:

[(1, 54789160), (2, 27394580), (4, 13697290), (5, 10957832), (8, 6848645), (10, 5478916), (19, 2883640), (20, 2739458), (38, 1441820), (40, 1369729), (76, 720910), (95, 576728), (152, 360455), (190, 288364), (380, 144182), (760, 72091)]