42510625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4038

約数の個数: 20

約数和(自身を含む): 56260116

約数和(自身を除く): 13749491

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 4001, 10625, 20005, 68017, 100025, 340085, 500125, 1700425, 2500625, 8502125, 42510625]

約数ペア:

[(1, 42510625), (5, 8502125), (17, 2500625), (25, 1700425), (85, 500125), (125, 340085), (425, 100025), (625, 68017), (2125, 20005), (4001, 10625)]