26891540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 61196688

約数和(自身を除く): 34305148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 353, 586, 706, 1172, 1412, 1465, 1765, 2930, 3530, 3809, 4589, 5860, 7060, 7618, 9178, 15236, 18356, 19045, 22945, 38090, 45890, 76180, 91780, 103429, 206858, 413716, 517145, 1034290, 1344577, 2068580, 2689154, 5378308, 6722885, 13445770, 26891540]

約数ペア:

[(1, 26891540), (2, 13445770), (4, 6722885), (5, 5378308), (10, 2689154), (13, 2068580), (20, 1344577), (26, 1034290), (52, 517145), (65, 413716), (130, 206858), (260, 103429), (293, 91780), (353, 76180), (586, 45890), (706, 38090), (1172, 22945), (1412, 19045), (1465, 18356), (1765, 15236), (2930, 9178), (3530, 7618), (3809, 7060), (4589, 5860)]