31376540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9283}}^1$

素因数の和:9318

約数の個数: 36

約数和(自身を含む): 71356824

約数和(自身を除く): 39980284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9283, 18566, 37132, 46415, 92830, 120679, 185660, 241358, 482716, 603395, 1206790, 1568827, 2413580, 3137654, 6275308, 7844135, 15688270, 31376540]

約数ペア:

[(1, 31376540), (2, 15688270), (4, 7844135), (5, 6275308), (10, 3137654), (13, 2413580), (20, 1568827), (26, 1206790), (52, 603395), (65, 482716), (130, 241358), (169, 185660), (260, 120679), (338, 92830), (676, 46415), (845, 37132), (1690, 18566), (3380, 9283)]