13305625

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:430

約数の個数: 20

約数和(自身を含む): 16947700

約数和(自身を除く): 3642075

約数列:

[1, 5, 25, 61, 125, 305, 349, 625, 1525, 1745, 7625, 8725, 21289, 38125, 43625, 106445, 218125, 532225, 2661125, 13305625]

約数ペア:

[(1, 13305625), (5, 2661125), (25, 532225), (61, 218125), (125, 106445), (305, 43625), (349, 38125), (625, 21289), (1525, 8725), (1745, 7625)]