201255280

素因数分解:

$2^4\times 5^1\times {\mathrm{2515691}}^1$

素因数の和:2515704

約数の個数: 20

約数和(自身を含む): 467918712

約数和(自身を除く): 266663432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515691, 5031382, 10062764, 12578455, 20125528, 25156910, 40251056, 50313820, 100627640, 201255280]

約数ペア:

[(1, 201255280), (2, 100627640), (4, 50313820), (5, 40251056), (8, 25156910), (10, 20125528), (16, 12578455), (20, 10062764), (40, 5031382), (80, 2515691)]