30724180

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1831}}^1$

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 64632960

約数和(自身を除く): 33908780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 1831, 3356, 3662, 4195, 7324, 8390, 9155, 16780, 18310, 36620, 1536209, 3072418, 6144836, 7681045, 15362090, 30724180]

約数ペア:

[(1, 30724180), (2, 15362090), (4, 7681045), (5, 6144836), (10, 3072418), (20, 1536209), (839, 36620), (1678, 18310), (1831, 16780), (3356, 9155), (3662, 8390), (4195, 7324)]