130804580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{19759}}^1$

素因数の和:20099

約数の個数: 24

約数和(自身を含む): 275533440

約数和(自身を除く): 144728860

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 19759, 39518, 79036, 98795, 197590, 395180, 6540229, 13080458, 26160916, 32701145, 65402290, 130804580]

約数ペア:

[(1, 130804580), (2, 65402290), (4, 32701145), (5, 26160916), (10, 13080458), (20, 6540229), (331, 395180), (662, 197590), (1324, 98795), (1655, 79036), (3310, 39518), (6620, 19759)]