41520920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 107369280

約数和(自身を除く): 65848360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 577, 1028, 1154, 1285, 1799, 2056, 2308, 2570, 2885, 3598, 4039, 4616, 5140, 5770, 7196, 8078, 8995, 10280, 11540, 14392, 16156, 17990, 20195, 23080, 32312, 35980, 40390, 71960, 80780, 148289, 161560, 296578, 593156, 741445, 1038023, 1186312, 1482890, 2076046, 2965780, 4152092, 5190115, 5931560, 8304184, 10380230, 20760460, 41520920]

約数ペア:

[(1, 41520920), (2, 20760460), (4, 10380230), (5, 8304184), (7, 5931560), (8, 5190115), (10, 4152092), (14, 2965780), (20, 2076046), (28, 1482890), (35, 1186312), (40, 1038023), (56, 741445), (70, 593156), (140, 296578), (257, 161560), (280, 148289), (514, 80780), (577, 71960), (1028, 40390), (1154, 35980), (1285, 32312), (1799, 23080), (2056, 20195), (2308, 17990), (2570, 16156), (2885, 14392), (3598, 11540), (4039, 10280), (4616, 8995), (5140, 8078), (5770, 7196)]