260015120

素因数分解:

$2^4\times 5^1\times {\mathrm{3250189}}^1$

素因数の和:3250202

約数の個数: 20

約数和(自身を含む): 604535340

約数和(自身を除く): 344520220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3250189, 6500378, 13000756, 16250945, 26001512, 32501890, 52003024, 65003780, 130007560, 260015120]

約数ペア:

[(1, 260015120), (2, 130007560), (4, 65003780), (5, 52003024), (8, 32501890), (10, 26001512), (16, 16250945), (20, 13000756), (40, 6500378), (80, 3250189)]