8181400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 20032200

約数和(自身を除く): 11850800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 2153, 3800, 4306, 8612, 10765, 17224, 21530, 40907, 43060, 53825, 81814, 86120, 107650, 163628, 204535, 215300, 327256, 409070, 430600, 818140, 1022675, 1636280, 2045350, 4090700, 8181400]

約数ペア:

[(1, 8181400), (2, 4090700), (4, 2045350), (5, 1636280), (8, 1022675), (10, 818140), (19, 430600), (20, 409070), (25, 327256), (38, 215300), (40, 204535), (50, 163628), (76, 107650), (95, 86120), (100, 81814), (152, 53825), (190, 43060), (200, 40907), (380, 21530), (475, 17224), (760, 10765), (950, 8612), (1900, 4306), (2153, 3800)]