89987960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97813}}^1$

素因数の和:97847

約数の個数: 32

約数和(自身を含む): 211278240

約数和(自身を除く): 121290280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 97813, 195626, 391252, 489065, 782504, 978130, 1956260, 2249699, 3912520, 4499398, 8998796, 11248495, 17997592, 22496990, 44993980, 89987960]

約数ペア:

[(1, 89987960), (2, 44993980), (4, 22496990), (5, 17997592), (8, 11248495), (10, 8998796), (20, 4499398), (23, 3912520), (40, 2249699), (46, 1956260), (92, 978130), (115, 782504), (184, 489065), (230, 391252), (460, 195626), (920, 97813)]