4489040

素因数分解:

$2^4\times 5^1\times {\mathrm{56113}}^1$

素因数の和:56126

約数の個数: 20

約数和(自身を含む): 10437204

約数和(自身を除く): 5948164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 56113, 112226, 224452, 280565, 448904, 561130, 897808, 1122260, 2244520, 4489040]

約数ペア:

[(1, 4489040), (2, 2244520), (4, 1122260), (5, 897808), (8, 561130), (10, 448904), (16, 280565), (20, 224452), (40, 112226), (80, 56113)]