87716260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257989}}^1$

素因数の和:258015

約数の個数: 24

約数和(自身を含む): 195040440

約数和(自身を除く): 107324180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 257989, 515978, 1031956, 1289945, 2579890, 4385813, 5159780, 8771626, 17543252, 21929065, 43858130, 87716260]

約数ペア:

[(1, 87716260), (2, 43858130), (4, 21929065), (5, 17543252), (10, 8771626), (17, 5159780), (20, 4385813), (34, 2579890), (68, 1289945), (85, 1031956), (170, 515978), (340, 257989)]