64527080

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6427}}^1$

素因数の和:6689

約数の個数: 32

約数和(自身を含む): 145787040

約数和(自身を除く): 81259960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6427, 10040, 12854, 25708, 32135, 51416, 64270, 128540, 257080, 1613177, 3226354, 6452708, 8065885, 12905416, 16131770, 32263540, 64527080]

約数ペア:

[(1, 64527080), (2, 32263540), (4, 16131770), (5, 12905416), (8, 8065885), (10, 6452708), (20, 3226354), (40, 1613177), (251, 257080), (502, 128540), (1004, 64270), (1255, 51416), (2008, 32135), (2510, 25708), (5020, 12854), (6427, 10040)]