28876010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 54993600

約数和(自身を除く): 26117590

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379, 401, 758, 802, 1895, 2005, 3790, 4010, 7201, 7619, 14402, 15238, 36005, 38095, 72010, 76190, 151979, 303958, 759895, 1519790, 2887601, 5775202, 14438005, 28876010]

約数ペア:

[(1, 28876010), (2, 14438005), (5, 5775202), (10, 2887601), (19, 1519790), (38, 759895), (95, 303958), (190, 151979), (379, 76190), (401, 72010), (758, 38095), (802, 36005), (1895, 15238), (2005, 14402), (3790, 7619), (4010, 7201)]