85891840

素因数分解:

$2^8\times 5^1\times {\mathrm{67103}}^1$

素因数の和:67124

約数の個数: 36

約数和(自身を含む): 205740864

約数和(自身を除く): 119849024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 67103, 134206, 268412, 335515, 536824, 671030, 1073648, 1342060, 2147296, 2684120, 4294592, 5368240, 8589184, 10736480, 17178368, 21472960, 42945920, 85891840]

約数ペア:

[(1, 85891840), (2, 42945920), (4, 21472960), (5, 17178368), (8, 10736480), (10, 8589184), (16, 5368240), (20, 4294592), (32, 2684120), (40, 2147296), (64, 1342060), (80, 1073648), (128, 671030), (160, 536824), (256, 335515), (320, 268412), (640, 134206), (1280, 67103)]