2013994480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{222787}}^1$

素因数の和:222913

約数の個数: 40

約数和(自身を含む): 4723996752

約数和(自身を除く): 2710002272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 222787, 445574, 891148, 1113935, 1782296, 2227870, 3564592, 4455740, 8911480, 17822960, 25174931, 50349862, 100699724, 125874655, 201399448, 251749310, 402798896, 503498620, 1006997240, 2013994480]

約数ペア:

[(1, 2013994480), (2, 1006997240), (4, 503498620), (5, 402798896), (8, 251749310), (10, 201399448), (16, 125874655), (20, 100699724), (40, 50349862), (80, 25174931), (113, 17822960), (226, 8911480), (452, 4455740), (565, 3564592), (904, 2227870), (1130, 1782296), (1808, 1113935), (2260, 891148), (4520, 445574), (9040, 222787)]