56342780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216703}}^1$

素因数の和:216725

約数の個数: 24

約数和(自身を含む): 127421952

約数和(自身を除く): 71079172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216703, 433406, 866812, 1083515, 2167030, 2817139, 4334060, 5634278, 11268556, 14085695, 28171390, 56342780]

約数ペア:

[(1, 56342780), (2, 28171390), (4, 14085695), (5, 11268556), (10, 5634278), (13, 4334060), (20, 2817139), (26, 2167030), (52, 1083515), (65, 866812), (130, 433406), (260, 216703)]