28937240

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1583}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 65292480

約数和(自身を除く): 36355240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1583, 1828, 2285, 3166, 3656, 4570, 6332, 7915, 9140, 12664, 15830, 18280, 31660, 63320, 723431, 1446862, 2893724, 3617155, 5787448, 7234310, 14468620, 28937240]

約数ペア:

[(1, 28937240), (2, 14468620), (4, 7234310), (5, 5787448), (8, 3617155), (10, 2893724), (20, 1446862), (40, 723431), (457, 63320), (914, 31660), (1583, 18280), (1828, 15830), (2285, 12664), (3166, 9140), (3656, 7915), (4570, 6332)]