131421160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19441}}^1$

素因数の和:19478

約数の個数: 48

約数和(自身を含む): 320209740

約数和(自身を除く): 188788580

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 19441, 38882, 77764, 97205, 155528, 194410, 252733, 388820, 505466, 777640, 1010932, 1263665, 2021864, 2527330, 3285529, 5054660, 6571058, 10109320, 13142116, 16427645, 26284232, 32855290, 65710580, 131421160]

約数ペア:

[(1, 131421160), (2, 65710580), (4, 32855290), (5, 26284232), (8, 16427645), (10, 13142116), (13, 10109320), (20, 6571058), (26, 5054660), (40, 3285529), (52, 2527330), (65, 2021864), (104, 1263665), (130, 1010932), (169, 777640), (260, 505466), (338, 388820), (520, 252733), (676, 194410), (845, 155528), (1352, 97205), (1690, 77764), (3380, 38882), (6760, 19441)]