82155320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157991}}^1$

素因数の和:158015

約数の個数: 32

約数和(自身を含む): 199069920

約数和(自身を除く): 116914600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 157991, 315982, 631964, 789955, 1263928, 1579910, 2053883, 3159820, 4107766, 6319640, 8215532, 10269415, 16431064, 20538830, 41077660, 82155320]

約数ペア:

[(1, 82155320), (2, 41077660), (4, 20538830), (5, 16431064), (8, 10269415), (10, 8215532), (13, 6319640), (20, 4107766), (26, 3159820), (40, 2053883), (52, 1579910), (65, 1263928), (104, 789955), (130, 631964), (260, 315982), (520, 157991)]