31118320

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{719}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 72584640

約数和(自身を除く): 41466320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 719, 1082, 1438, 2164, 2705, 2876, 3595, 4328, 5410, 5752, 7190, 8656, 10820, 11504, 14380, 21640, 28760, 43280, 57520, 388979, 777958, 1555916, 1944895, 3111832, 3889790, 6223664, 7779580, 15559160, 31118320]

約数ペア:

[(1, 31118320), (2, 15559160), (4, 7779580), (5, 6223664), (8, 3889790), (10, 3111832), (16, 1944895), (20, 1555916), (40, 777958), (80, 388979), (541, 57520), (719, 43280), (1082, 28760), (1438, 21640), (2164, 14380), (2705, 11504), (2876, 10820), (3595, 8656), (4328, 7190), (5410, 5752)]