16286720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3181}}^1$

素因数の和:3206

約数の個数: 44

約数和(自身を含む): 39081324

約数和(自身を除く): 22794604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3181, 5120, 6362, 12724, 15905, 25448, 31810, 50896, 63620, 101792, 127240, 203584, 254480, 407168, 508960, 814336, 1017920, 1628672, 2035840, 3257344, 4071680, 8143360, 16286720]

約数ペア:

[(1, 16286720), (2, 8143360), (4, 4071680), (5, 3257344), (8, 2035840), (10, 1628672), (16, 1017920), (20, 814336), (32, 508960), (40, 407168), (64, 254480), (80, 203584), (128, 127240), (160, 101792), (256, 63620), (320, 50896), (512, 31810), (640, 25448), (1024, 15905), (1280, 12724), (2560, 6362), (3181, 5120)]