138244840

素因数分解:

$2^3\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{2897}}^1$

素因数の和:4101

約数の個数: 32

約数和(自身を含む): 311419080

約数和(自身を除く): 173174240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1193, 2386, 2897, 4772, 5794, 5965, 9544, 11588, 11930, 14485, 23176, 23860, 28970, 47720, 57940, 115880, 3456121, 6912242, 13824484, 17280605, 27648968, 34561210, 69122420, 138244840]

約数ペア:

[(1, 138244840), (2, 69122420), (4, 34561210), (5, 27648968), (8, 17280605), (10, 13824484), (20, 6912242), (40, 3456121), (1193, 115880), (2386, 57940), (2897, 47720), (4772, 28970), (5794, 23860), (5965, 23176), (9544, 14485), (11588, 11930)]