201080240

素因数分解:

$2^4\times 5^1\times {\mathrm{2513503}}^1$

素因数の和:2513516

約数の個数: 20

約数和(自身を含む): 467511744

約数和(自身を除く): 266431504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2513503, 5027006, 10054012, 12567515, 20108024, 25135030, 40216048, 50270060, 100540120, 201080240]

約数ペア:

[(1, 201080240), (2, 100540120), (4, 50270060), (5, 40216048), (8, 25135030), (10, 20108024), (16, 12567515), (20, 10054012), (40, 5027006), (80, 2513503)]