19630625

素因数分解:

$5^4\times 7^2\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 30

約数和(自身を含む): 28579914

約数和(自身を除く): 8949289

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 641, 875, 1225, 3205, 4375, 4487, 6125, 16025, 22435, 30625, 31409, 80125, 112175, 157045, 400625, 560875, 785225, 2804375, 3926125, 19630625]

約数ペア:

[(1, 19630625), (5, 3926125), (7, 2804375), (25, 785225), (35, 560875), (49, 400625), (125, 157045), (175, 112175), (245, 80125), (625, 31409), (641, 30625), (875, 22435), (1225, 16025), (3205, 6125), (4375, 4487)]