61480280

素因数分解:

$2^3\times 5^1\times {\mathrm{1537007}}^1$

素因数の和:1537018

約数の個数: 16

約数和(自身を含む): 138330720

約数和(自身を除く): 76850440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1537007, 3074014, 6148028, 7685035, 12296056, 15370070, 30740140, 61480280]

約数ペア:

[(1, 61480280), (2, 30740140), (4, 15370070), (5, 12296056), (8, 7685035), (10, 6148028), (20, 3074014), (40, 1537007)]