38465440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18493}}^1$

素因数の和:18521

約数の個数: 48

約数和(自身を含む): 97870248

約数和(自身を除く): 59404808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 18493, 36986, 73972, 92465, 147944, 184930, 240409, 295888, 369860, 480818, 591776, 739720, 961636, 1202045, 1479440, 1923272, 2404090, 2958880, 3846544, 4808180, 7693088, 9616360, 19232720, 38465440]

約数ペア:

[(1, 38465440), (2, 19232720), (4, 9616360), (5, 7693088), (8, 4808180), (10, 3846544), (13, 2958880), (16, 2404090), (20, 1923272), (26, 1479440), (32, 1202045), (40, 961636), (52, 739720), (65, 591776), (80, 480818), (104, 369860), (130, 295888), (160, 240409), (208, 184930), (260, 147944), (416, 92465), (520, 73972), (1040, 36986), (2080, 18493)]