30982520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1481}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 69891120

約数和(自身を除く): 38908600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 1481, 2092, 2615, 2962, 4184, 5230, 5924, 7405, 10460, 11848, 14810, 20920, 29620, 59240, 774563, 1549126, 3098252, 3872815, 6196504, 7745630, 15491260, 30982520]

約数ペア:

[(1, 30982520), (2, 15491260), (4, 7745630), (5, 6196504), (8, 3872815), (10, 3098252), (20, 1549126), (40, 774563), (523, 59240), (1046, 29620), (1481, 20920), (2092, 14810), (2615, 11848), (2962, 10460), (4184, 7405), (5230, 5924)]