2128240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 5088960

約数和(自身を除く): 2960720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 719, 740, 1438, 1480, 2876, 2960, 3595, 5752, 7190, 11504, 14380, 26603, 28760, 53206, 57520, 106412, 133015, 212824, 266030, 425648, 532060, 1064120, 2128240]

約数ペア:

[(1, 2128240), (2, 1064120), (4, 532060), (5, 425648), (8, 266030), (10, 212824), (16, 133015), (20, 106412), (37, 57520), (40, 53206), (74, 28760), (80, 26603), (148, 14380), (185, 11504), (296, 7190), (370, 5752), (592, 3595), (719, 2960), (740, 2876), (1438, 1480)]