2015989280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{90647}}^1$

素因数の和:90801

約数の個数: 48

約数和(自身を含む): 4797092160

約数和(自身を除く): 2781102880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 11120, 22240, 90647, 181294, 362588, 453235, 725176, 906470, 1450352, 1812940, 2900704, 3625880, 7251760, 12599933, 14503520, 25199866, 50399732, 62999665, 100799464, 125999330, 201598928, 251998660, 403197856, 503997320, 1007994640, 2015989280]

約数ペア:

[(1, 2015989280), (2, 1007994640), (4, 503997320), (5, 403197856), (8, 251998660), (10, 201598928), (16, 125999330), (20, 100799464), (32, 62999665), (40, 50399732), (80, 25199866), (139, 14503520), (160, 12599933), (278, 7251760), (556, 3625880), (695, 2900704), (1112, 1812940), (1390, 1450352), (2224, 906470), (2780, 725176), (4448, 453235), (5560, 362588), (11120, 181294), (22240, 90647)]