61798340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19681}}^1$

素因数の和:19847

約数の個数: 24

約数和(自身を含む): 130609752

約数和(自身を除く): 68811412

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 19681, 39362, 78724, 98405, 196810, 393620, 3089917, 6179834, 12359668, 15449585, 30899170, 61798340]

約数ペア:

[(1, 61798340), (2, 30899170), (4, 15449585), (5, 12359668), (10, 6179834), (20, 3089917), (157, 393620), (314, 196810), (628, 98405), (785, 78724), (1570, 39362), (3140, 19681)]