201449680

素因数分解:

$2^4\times 5^1\times {\mathrm{2518121}}^1$

素因数の和:2518134

約数の個数: 20

約数和(自身を含む): 468370692

約数和(自身を除く): 266921012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518121, 5036242, 10072484, 12590605, 20144968, 25181210, 40289936, 50362420, 100724840, 201449680]

約数ペア:

[(1, 201449680), (2, 100724840), (4, 50362420), (5, 40289936), (8, 25181210), (10, 20144968), (16, 12590605), (20, 10072484), (40, 5036242), (80, 2518121)]