55687120

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3299}}^1$

素因数の和:3523

約数の個数: 40

約数和(自身を含む): 130125600

約数和(自身を除く): 74438480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3299, 3376, 4220, 6598, 8440, 13196, 16495, 16880, 26392, 32990, 52784, 65980, 131960, 263920, 696089, 1392178, 2784356, 3480445, 5568712, 6960890, 11137424, 13921780, 27843560, 55687120]

約数ペア:

[(1, 55687120), (2, 27843560), (4, 13921780), (5, 11137424), (8, 6960890), (10, 5568712), (16, 3480445), (20, 2784356), (40, 1392178), (80, 696089), (211, 263920), (422, 131960), (844, 65980), (1055, 52784), (1688, 32990), (2110, 26392), (3299, 16880), (3376, 16495), (4220, 13196), (6598, 8440)]