90980480

素因数分解:

$2^7\times 5^1\times {\mathrm{142157}}^1$

素因数の和:142176

約数の個数: 32

約数和(自身を含む): 217501740

約数和(自身を除く): 126521260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 142157, 284314, 568628, 710785, 1137256, 1421570, 2274512, 2843140, 4549024, 5686280, 9098048, 11372560, 18196096, 22745120, 45490240, 90980480]

約数ペア:

[(1, 90980480), (2, 45490240), (4, 22745120), (5, 18196096), (8, 11372560), (10, 9098048), (16, 5686280), (20, 4549024), (32, 2843140), (40, 2274512), (64, 1421570), (80, 1137256), (128, 710785), (160, 568628), (320, 284314), (640, 142157)]