101520080

素因数分解:

$2^4\times 5^1\times {\mathrm{1269001}}^1$

素因数の和:1269014

約数の個数: 20

約数和(自身を含む): 236034372

約数和(自身を除く): 134514292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1269001, 2538002, 5076004, 6345005, 10152008, 12690010, 20304016, 25380020, 50760040, 101520080]

約数ペア:

[(1, 101520080), (2, 50760040), (4, 25380020), (5, 20304016), (8, 12690010), (10, 10152008), (16, 6345005), (20, 5076004), (40, 2538002), (80, 1269001)]