65812520

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3271}}^1$

素因数の和:3785

約数の個数: 32

約数和(自身を含む): 148417920

約数和(自身を除く): 82605400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3271, 4024, 5030, 6542, 10060, 13084, 16355, 20120, 26168, 32710, 65420, 130840, 1645313, 3290626, 6581252, 8226565, 13162504, 16453130, 32906260, 65812520]

約数ペア:

[(1, 65812520), (2, 32906260), (4, 16453130), (5, 13162504), (8, 8226565), (10, 6581252), (20, 3290626), (40, 1645313), (503, 130840), (1006, 65420), (2012, 32710), (2515, 26168), (3271, 20120), (4024, 16355), (5030, 13084), (6542, 10060)]