40521280

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1067

約数の個数: 56

約数和(自身を含む): 97292160

約数和(自身を除く): 56770880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 911, 1112, 1390, 1822, 2224, 2780, 3644, 4448, 4555, 5560, 7288, 8896, 9110, 11120, 14576, 18220, 22240, 29152, 36440, 44480, 58304, 72880, 126629, 145760, 253258, 291520, 506516, 633145, 1013032, 1266290, 2026064, 2532580, 4052128, 5065160, 8104256, 10130320, 20260640, 40521280]

約数ペア:

[(1, 40521280), (2, 20260640), (4, 10130320), (5, 8104256), (8, 5065160), (10, 4052128), (16, 2532580), (20, 2026064), (32, 1266290), (40, 1013032), (64, 633145), (80, 506516), (139, 291520), (160, 253258), (278, 145760), (320, 126629), (556, 72880), (695, 58304), (911, 44480), (1112, 36440), (1390, 29152), (1822, 22240), (2224, 18220), (2780, 14576), (3644, 11120), (4448, 9110), (4555, 8896), (5560, 7288)]