39186880

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1037

約数の個数: 56

約数和(自身を含む): 94091760

約数和(自身を除く): 54904880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 881, 1112, 1390, 1762, 2224, 2780, 3524, 4405, 4448, 5560, 7048, 8810, 8896, 11120, 14096, 17620, 22240, 28192, 35240, 44480, 56384, 70480, 122459, 140960, 244918, 281920, 489836, 612295, 979672, 1224590, 1959344, 2449180, 3918688, 4898360, 7837376, 9796720, 19593440, 39186880]

約数ペア:

[(1, 39186880), (2, 19593440), (4, 9796720), (5, 7837376), (8, 4898360), (10, 3918688), (16, 2449180), (20, 1959344), (32, 1224590), (40, 979672), (64, 612295), (80, 489836), (139, 281920), (160, 244918), (278, 140960), (320, 122459), (556, 70480), (695, 56384), (881, 44480), (1112, 35240), (1390, 28192), (1762, 22240), (2224, 17620), (2780, 14096), (3524, 11120), (4405, 8896), (4448, 8810), (5560, 7048)]