64574770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1979}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 125737920

約数和(自身を除く): 61163150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 1979, 2510, 3263, 3958, 6526, 9895, 16315, 19790, 25727, 32630, 51454, 128635, 257270, 496729, 993458, 2483645, 4967290, 6457477, 12914954, 32287385, 64574770]

約数ペア:

[(1, 64574770), (2, 32287385), (5, 12914954), (10, 6457477), (13, 4967290), (26, 2483645), (65, 993458), (130, 496729), (251, 257270), (502, 128635), (1255, 51454), (1979, 32630), (2510, 25727), (3263, 19790), (3958, 16315), (6526, 9895)]