90340480

素因数分解:

$2^7\times 5^1\times {\mathrm{141157}}^1$

素因数の和:141176

約数の個数: 32

約数和(自身を含む): 215971740

約数和(自身を除く): 125631260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141157, 282314, 564628, 705785, 1129256, 1411570, 2258512, 2823140, 4517024, 5646280, 9034048, 11292560, 18068096, 22585120, 45170240, 90340480]

約数ペア:

[(1, 90340480), (2, 45170240), (4, 22585120), (5, 18068096), (8, 11292560), (10, 9034048), (16, 5646280), (20, 4517024), (32, 2823140), (40, 2258512), (64, 1411570), (80, 1129256), (128, 705785), (160, 564628), (320, 282314), (640, 141157)]