4090400

素因数分解:

$2^5\times 5^2\times {\mathrm{5113}}^1$

素因数の和:5133

約数の個数: 36

約数和(自身を含む): 9987642

約数和(自身を除く): 5897242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 5113, 10226, 20452, 25565, 40904, 51130, 81808, 102260, 127825, 163616, 204520, 255650, 409040, 511300, 818080, 1022600, 2045200, 4090400]

約数ペア:

[(1, 4090400), (2, 2045200), (4, 1022600), (5, 818080), (8, 511300), (10, 409040), (16, 255650), (20, 204520), (25, 163616), (32, 127825), (40, 102260), (50, 81808), (80, 51130), (100, 40904), (160, 25565), (200, 20452), (400, 10226), (800, 5113)]