51660820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^2$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 111578292

約数和(自身を除く): 59917472

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 251, 410, 502, 820, 1004, 1255, 2510, 5020, 10291, 20582, 41164, 51455, 63001, 102910, 126002, 205820, 252004, 315005, 630010, 1260020, 2583041, 5166082, 10332164, 12915205, 25830410, 51660820]

約数ペア:

[(1, 51660820), (2, 25830410), (4, 12915205), (5, 10332164), (10, 5166082), (20, 2583041), (41, 1260020), (82, 630010), (164, 315005), (205, 252004), (251, 205820), (410, 126002), (502, 102910), (820, 63001), (1004, 51455), (1255, 41164), (2510, 20582), (5020, 10291)]