28575980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84047}}^1$

素因数の和:84073

約数の個数: 24

約数和(自身を含む): 63540288

約数和(自身を除く): 34964308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84047, 168094, 336188, 420235, 840470, 1428799, 1680940, 2857598, 5715196, 7143995, 14287990, 28575980]

約数ペア:

[(1, 28575980), (2, 14287990), (4, 7143995), (5, 5715196), (10, 2857598), (17, 1680940), (20, 1428799), (34, 840470), (68, 420235), (85, 336188), (170, 168094), (340, 84047)]