61501640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37501}}^1$

素因数の和:37553

約数の個数: 32

約数和(自身を含む): 141757560

約数和(自身を除く): 80255920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 37501, 75002, 150004, 187505, 300008, 375010, 750020, 1500040, 1537541, 3075082, 6150164, 7687705, 12300328, 15375410, 30750820, 61501640]

約数ペア:

[(1, 61501640), (2, 30750820), (4, 15375410), (5, 12300328), (8, 7687705), (10, 6150164), (20, 3075082), (40, 1537541), (41, 1500040), (82, 750020), (164, 375010), (205, 300008), (328, 187505), (410, 150004), (820, 75002), (1640, 37501)]