30845240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10861}}^1$

素因数の和:10943

約数の個数: 32

約数和(自身を含む): 70385760

約数和(自身を除く): 39540520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10861, 21722, 43444, 54305, 86888, 108610, 217220, 434440, 771131, 1542262, 3084524, 3855655, 6169048, 7711310, 15422620, 30845240]

約数ペア:

[(1, 30845240), (2, 15422620), (4, 7711310), (5, 6169048), (8, 3855655), (10, 3084524), (20, 1542262), (40, 771131), (71, 434440), (142, 217220), (284, 108610), (355, 86888), (568, 54305), (710, 43444), (1420, 21722), (2840, 10861)]