26785640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 69327360

約数和(自身を除く): 42541720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 353, 542, 706, 1084, 1355, 1412, 1765, 1897, 2168, 2471, 2710, 2824, 3530, 3794, 4942, 5420, 7060, 7588, 9485, 9884, 10840, 12355, 14120, 15176, 18970, 19768, 24710, 37940, 49420, 75880, 95663, 98840, 191326, 382652, 478315, 669641, 765304, 956630, 1339282, 1913260, 2678564, 3348205, 3826520, 5357128, 6696410, 13392820, 26785640]

約数ペア:

[(1, 26785640), (2, 13392820), (4, 6696410), (5, 5357128), (7, 3826520), (8, 3348205), (10, 2678564), (14, 1913260), (20, 1339282), (28, 956630), (35, 765304), (40, 669641), (56, 478315), (70, 382652), (140, 191326), (271, 98840), (280, 95663), (353, 75880), (542, 49420), (706, 37940), (1084, 24710), (1355, 19768), (1412, 18970), (1765, 15176), (1897, 14120), (2168, 12355), (2471, 10840), (2710, 9884), (2824, 9485), (3530, 7588), (3794, 7060), (4942, 5420)]