61820005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{23197}}^1$

素因数の和:23256

約数の個数: 16

約数和(自身を含む): 81842544

約数和(自身を除く): 20022539

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 23197, 115985, 301561, 951077, 1507805, 4755385, 12364001, 61820005]

約数ペア:

[(1, 61820005), (5, 12364001), (13, 4755385), (41, 1507805), (65, 951077), (205, 301561), (533, 115985), (2665, 23197)]