40810400

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 100618560

約数和(自身を除く): 59808160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 367, 400, 556, 695, 734, 800, 1112, 1390, 1468, 1835, 2224, 2780, 2936, 3475, 3670, 4448, 5560, 5872, 6950, 7340, 9175, 11120, 11744, 13900, 14680, 18350, 22240, 27800, 29360, 36700, 51013, 55600, 58720, 73400, 102026, 111200, 146800, 204052, 255065, 293600, 408104, 510130, 816208, 1020260, 1275325, 1632416, 2040520, 2550650, 4081040, 5101300, 8162080, 10202600, 20405200, 40810400]

約数ペア:

[(1, 40810400), (2, 20405200), (4, 10202600), (5, 8162080), (8, 5101300), (10, 4081040), (16, 2550650), (20, 2040520), (25, 1632416), (32, 1275325), (40, 1020260), (50, 816208), (80, 510130), (100, 408104), (139, 293600), (160, 255065), (200, 204052), (278, 146800), (367, 111200), (400, 102026), (556, 73400), (695, 58720), (734, 55600), (800, 51013), (1112, 36700), (1390, 29360), (1468, 27800), (1835, 22240), (2224, 18350), (2780, 14680), (2936, 13900), (3475, 11744), (3670, 11120), (4448, 9175), (5560, 7340), (5872, 6950)]