11265440

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 26830440

約数和(自身を除く): 15565000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 389, 724, 778, 905, 1448, 1556, 1810, 1945, 2896, 3112, 3620, 3890, 5792, 6224, 7240, 7780, 12448, 14480, 15560, 28960, 31120, 62240, 70409, 140818, 281636, 352045, 563272, 704090, 1126544, 1408180, 2253088, 2816360, 5632720, 11265440]

約数ペア:

[(1, 11265440), (2, 5632720), (4, 2816360), (5, 2253088), (8, 1408180), (10, 1126544), (16, 704090), (20, 563272), (32, 352045), (40, 281636), (80, 140818), (160, 70409), (181, 62240), (362, 31120), (389, 28960), (724, 15560), (778, 14480), (905, 12448), (1448, 7780), (1556, 7240), (1810, 6224), (1945, 5792), (2896, 3890), (3112, 3620)]