202017604870

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{31516007}}^1$

素因数の和:31516655

約数の個数: 16

約数和(自身を含む): 364198988448

約数和(自身を除く): 162181383578

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 31516007, 63032014, 157580035, 315160070, 20201760487, 40403520974, 101008802435, 202017604870]

約数ペア:

[(1, 202017604870), (2, 101008802435), (5, 40403520974), (10, 20201760487), (641, 315160070), (1282, 157580035), (3205, 63032014), (6410, 31516007)]