28884860

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9199}}^1$

素因数の和:9365

約数の個数: 24

約数和(自身を含む): 61051200

約数和(自身を除く): 32166340

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 9199, 18398, 36796, 45995, 91990, 183980, 1444243, 2888486, 5776972, 7221215, 14442430, 28884860]

約数ペア:

[(1, 28884860), (2, 14442430), (4, 7221215), (5, 5776972), (10, 2888486), (20, 1444243), (157, 183980), (314, 91990), (628, 45995), (785, 36796), (1570, 18398), (3140, 9199)]