33821440

素因数分解:

$2^8\times 5^1\times {\mathrm{26423}}^1$

素因数の和:26444

約数の個数: 36

約数和(自身を含む): 81015984

約数和(自身を除く): 47194544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 26423, 52846, 105692, 132115, 211384, 264230, 422768, 528460, 845536, 1056920, 1691072, 2113840, 3382144, 4227680, 6764288, 8455360, 16910720, 33821440]

約数ペア:

[(1, 33821440), (2, 16910720), (4, 8455360), (5, 6764288), (8, 4227680), (10, 3382144), (16, 2113840), (20, 1691072), (32, 1056920), (40, 845536), (64, 528460), (80, 422768), (128, 264230), (160, 211384), (256, 132115), (320, 105692), (640, 52846), (1280, 26423)]