187894160

素因数分解:

$2^4\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{2141}}^1$

素因数の和:3251

約数の個数: 40

約数和(自身を含む): 437456376

約数和(自身を除く): 249562216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097, 2141, 2194, 4282, 4388, 5485, 8564, 8776, 10705, 10970, 17128, 17552, 21410, 21940, 34256, 42820, 43880, 85640, 87760, 171280, 2348677, 4697354, 9394708, 11743385, 18789416, 23486770, 37578832, 46973540, 93947080, 187894160]

約数ペア:

[(1, 187894160), (2, 93947080), (4, 46973540), (5, 37578832), (8, 23486770), (10, 18789416), (16, 11743385), (20, 9394708), (40, 4697354), (80, 2348677), (1097, 171280), (2141, 87760), (2194, 85640), (4282, 43880), (4388, 42820), (5485, 34256), (8564, 21940), (8776, 21410), (10705, 17552), (10970, 17128)]