8445440

素因数分解:

$2^9\times 5^1\times {\mathrm{3299}}^1$

素因数の和:3322

約数の個数: 40

約数和(自身を含む): 20255400

約数和(自身を除く): 11809960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3299, 6598, 13196, 16495, 26392, 32990, 52784, 65980, 105568, 131960, 211136, 263920, 422272, 527840, 844544, 1055680, 1689088, 2111360, 4222720, 8445440]

約数ペア:

[(1, 8445440), (2, 4222720), (4, 2111360), (5, 1689088), (8, 1055680), (10, 844544), (16, 527840), (20, 422272), (32, 263920), (40, 211136), (64, 131960), (80, 105568), (128, 65980), (160, 52784), (256, 32990), (320, 26392), (512, 16495), (640, 13196), (1280, 6598), (2560, 3299)]