80194540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 174015072

約数和(自身を除く): 93820532

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 307, 353, 370, 614, 706, 740, 1228, 1412, 1535, 1765, 3070, 3530, 6140, 7060, 11359, 13061, 22718, 26122, 45436, 52244, 56795, 65305, 108371, 113590, 130610, 216742, 227180, 261220, 433484, 541855, 1083710, 2167420, 4009727, 8019454, 16038908, 20048635, 40097270, 80194540]

約数ペア:

[(1, 80194540), (2, 40097270), (4, 20048635), (5, 16038908), (10, 8019454), (20, 4009727), (37, 2167420), (74, 1083710), (148, 541855), (185, 433484), (307, 261220), (353, 227180), (370, 216742), (614, 130610), (706, 113590), (740, 108371), (1228, 65305), (1412, 56795), (1535, 52244), (1765, 45436), (3070, 26122), (3530, 22718), (6140, 13061), (7060, 11359)]