102501640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{62501}}^1$

素因数の和:62553

約数の個数: 32

約数和(自身を含む): 236257560

約数和(自身を除く): 133755920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 62501, 125002, 250004, 312505, 500008, 625010, 1250020, 2500040, 2562541, 5125082, 10250164, 12812705, 20500328, 25625410, 51250820, 102501640]

約数ペア:

[(1, 102501640), (2, 51250820), (4, 25625410), (5, 20500328), (8, 12812705), (10, 10250164), (20, 5125082), (40, 2562541), (41, 2500040), (82, 1250020), (164, 625010), (205, 500008), (328, 312505), (410, 250004), (820, 125002), (1640, 62501)]