30910225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{20269}}^1$

素因数の和:20340

約数の個数: 12

約数和(自身を含む): 38958940

約数和(自身を除く): 8048715

約数列:

[1, 5, 25, 61, 305, 1525, 20269, 101345, 506725, 1236409, 6182045, 30910225]

約数ペア:

[(1, 30910225), (5, 6182045), (25, 1236409), (61, 506725), (305, 101345), (1525, 20269)]