81433600

素因数分解:

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

素因数の和:3211

約数の個数: 66

約数和(自身を含む): 201920174

約数和(自身を除く): 120486574

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3181, 3200, 5120, 6362, 6400, 12724, 12800, 15905, 25448, 25600, 31810, 50896, 63620, 79525, 101792, 127240, 159050, 203584, 254480, 318100, 407168, 508960, 636200, 814336, 1017920, 1272400, 1628672, 2035840, 2544800, 3257344, 4071680, 5089600, 8143360, 10179200, 16286720, 20358400, 40716800, 81433600]

約数ペア:

[(1, 81433600), (2, 40716800), (4, 20358400), (5, 16286720), (8, 10179200), (10, 8143360), (16, 5089600), (20, 4071680), (25, 3257344), (32, 2544800), (40, 2035840), (50, 1628672), (64, 1272400), (80, 1017920), (100, 814336), (128, 636200), (160, 508960), (200, 407168), (256, 318100), (320, 254480), (400, 203584), (512, 159050), (640, 127240), (800, 101792), (1024, 79525), (1280, 63620), (1600, 50896), (2560, 31810), (3181, 25600), (3200, 25448), (5120, 15905), (6362, 12800), (6400, 12724)]