1965220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1013}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 4173624

約数和(自身を除く): 2208404

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1013, 1940, 2026, 4052, 5065, 10130, 20260, 98261, 196522, 393044, 491305, 982610, 1965220]

約数ペア:

[(1, 1965220), (2, 982610), (4, 491305), (5, 393044), (10, 196522), (20, 98261), (97, 20260), (194, 10130), (388, 5065), (485, 4052), (970, 2026), (1013, 1940)]