131444020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107741}}^1$

素因数の和:107811

約数の個数: 24

約数和(自身を含む): 280560168

約数和(自身を除く): 149116148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 107741, 215482, 430964, 538705, 1077410, 2154820, 6572201, 13144402, 26288804, 32861005, 65722010, 131444020]

約数ペア:

[(1, 131444020), (2, 65722010), (4, 32861005), (5, 26288804), (10, 13144402), (20, 6572201), (61, 2154820), (122, 1077410), (244, 538705), (305, 430964), (610, 215482), (1220, 107741)]