13385320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25741}}^1$

素因数の和:25765

約数の個数: 32

約数和(自身を含む): 32434920

約数和(自身を除く): 19049600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25741, 51482, 102964, 128705, 205928, 257410, 334633, 514820, 669266, 1029640, 1338532, 1673165, 2677064, 3346330, 6692660, 13385320]

約数ペア:

[(1, 13385320), (2, 6692660), (4, 3346330), (5, 2677064), (8, 1673165), (10, 1338532), (13, 1029640), (20, 669266), (26, 514820), (40, 334633), (52, 257410), (65, 205928), (104, 128705), (130, 102964), (260, 51482), (520, 25741)]