22028720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 59162880

約数和(自身を除く): 37134160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 283, 556, 560, 566, 695, 973, 1112, 1132, 1390, 1415, 1946, 1981, 2224, 2264, 2780, 2830, 3892, 3962, 4528, 4865, 5560, 5660, 7784, 7924, 9730, 9905, 11120, 11320, 15568, 15848, 19460, 19810, 22640, 31696, 38920, 39337, 39620, 77840, 78674, 79240, 157348, 158480, 196685, 275359, 314696, 393370, 550718, 629392, 786740, 1101436, 1376795, 1573480, 2202872, 2753590, 3146960, 4405744, 5507180, 11014360, 22028720]

約数ペア:

[(1, 22028720), (2, 11014360), (4, 5507180), (5, 4405744), (7, 3146960), (8, 2753590), (10, 2202872), (14, 1573480), (16, 1376795), (20, 1101436), (28, 786740), (35, 629392), (40, 550718), (56, 393370), (70, 314696), (80, 275359), (112, 196685), (139, 158480), (140, 157348), (278, 79240), (280, 78674), (283, 77840), (556, 39620), (560, 39337), (566, 38920), (695, 31696), (973, 22640), (1112, 19810), (1132, 19460), (1390, 15848), (1415, 15568), (1946, 11320), (1981, 11120), (2224, 9905), (2264, 9730), (2780, 7924), (2830, 7784), (3892, 5660), (3962, 5560), (4528, 4865)]