98390480

素因数分解:

$2^4\times 5^1\times {\mathrm{1109}}^2$

素因数の和:2231

約数の個数: 30

約数和(自身を含む): 228964326

約数和(自身を除く): 130573846

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 44360, 88720, 1229881, 2459762, 4919524, 6149405, 9839048, 12298810, 19678096, 24597620, 49195240, 98390480]

約数ペア:

[(1, 98390480), (2, 49195240), (4, 24597620), (5, 19678096), (8, 12298810), (10, 9839048), (16, 6149405), (20, 4919524), (40, 2459762), (80, 1229881), (1109, 88720), (2218, 44360), (4436, 22180), (5545, 17744), (8872, 11090)]