336981320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{648041}}^1$

素因数の和:648065

約数の個数: 32

約数和(自身を含む): 816532920

約数和(自身を除く): 479551600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 648041, 1296082, 2592164, 3240205, 5184328, 6480410, 8424533, 12960820, 16849066, 25921640, 33698132, 42122665, 67396264, 84245330, 168490660, 336981320]

約数ペア:

[(1, 336981320), (2, 168490660), (4, 84245330), (5, 67396264), (8, 42122665), (10, 33698132), (13, 25921640), (20, 16849066), (26, 12960820), (40, 8424533), (52, 6480410), (65, 5184328), (104, 3240205), (130, 2592164), (260, 1296082), (520, 648041)]