1312100

素因数分解:

$2^2\times 5^2\times {\mathrm{13121}}^1$

素因数の和:13135

約数の個数: 18

約数和(自身を含む): 2847474

約数和(自身を除く): 1535374

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 13121, 26242, 52484, 65605, 131210, 262420, 328025, 656050, 1312100]

約数ペア:

[(1, 1312100), (2, 656050), (4, 328025), (5, 262420), (10, 131210), (20, 65605), (25, 52484), (50, 26242), (100, 13121)]