54989680

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4217}}^1$

素因数の和:4393

約数の個数: 40

約数和(自身を含む): 128665872

約数和(自身を除く): 73676192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 4217, 6520, 8434, 13040, 16868, 21085, 33736, 42170, 67472, 84340, 168680, 337360, 687371, 1374742, 2749484, 3436855, 5498968, 6873710, 10997936, 13747420, 27494840, 54989680]

約数ペア:

[(1, 54989680), (2, 27494840), (4, 13747420), (5, 10997936), (8, 6873710), (10, 5498968), (16, 3436855), (20, 2749484), (40, 1374742), (80, 687371), (163, 337360), (326, 168680), (652, 84340), (815, 67472), (1304, 42170), (1630, 33736), (2608, 21085), (3260, 16868), (4217, 13040), (6520, 8434)]