201272560

素因数分解:

$2^4\times 5^1\times {\mathrm{2515907}}^1$

素因数の和:2515920

約数の個数: 20

約数和(自身を含む): 467958888

約数和(自身を除く): 266686328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515907, 5031814, 10063628, 12579535, 20127256, 25159070, 40254512, 50318140, 100636280, 201272560]

約数ペア:

[(1, 201272560), (2, 100636280), (4, 50318140), (5, 40254512), (8, 25159070), (10, 20127256), (16, 12579535), (20, 10063628), (40, 5031814), (80, 2515907)]