38402780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{147703}}^1$

素因数の和:147725

約数の個数: 24

約数和(自身を含む): 86849952

約数和(自身を除く): 48447172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 147703, 295406, 590812, 738515, 1477030, 1920139, 2954060, 3840278, 7680556, 9600695, 19201390, 38402780]

約数ペア:

[(1, 38402780), (2, 19201390), (4, 9600695), (5, 7680556), (10, 3840278), (13, 2954060), (20, 1920139), (26, 1477030), (52, 738515), (65, 590812), (130, 295406), (260, 147703)]