1001418640

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{35461}}^1$

素因数の和:35827

約数の個数: 40

約数和(自身を含む): 2334959928

約数和(自身を除く): 1333541288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 14120, 28240, 35461, 70922, 141844, 177305, 283688, 354610, 567376, 709220, 1418440, 2836880, 12517733, 25035466, 50070932, 62588665, 100141864, 125177330, 200283728, 250354660, 500709320, 1001418640]

約数ペア:

[(1, 1001418640), (2, 500709320), (4, 250354660), (5, 200283728), (8, 125177330), (10, 100141864), (16, 62588665), (20, 50070932), (40, 25035466), (80, 12517733), (353, 2836880), (706, 1418440), (1412, 709220), (1765, 567376), (2824, 354610), (3530, 283688), (5648, 177305), (7060, 141844), (14120, 70922), (28240, 35461)]