54422920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19163}}^1$

素因数の和:19245

約数の個数: 32

約数和(自身を含む): 124182720

約数和(自身を除く): 69759800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19163, 38326, 76652, 95815, 153304, 191630, 383260, 766520, 1360573, 2721146, 5442292, 6802865, 10884584, 13605730, 27211460, 54422920]

約数ペア:

[(1, 54422920), (2, 27211460), (4, 13605730), (5, 10884584), (8, 6802865), (10, 5442292), (20, 2721146), (40, 1360573), (71, 766520), (142, 383260), (284, 191630), (355, 153304), (568, 95815), (710, 76652), (1420, 38326), (2840, 19163)]