28472860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 65987712

約数和(自身を除く): 37514852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2671, 5330, 5342, 10660, 10684, 13355, 26710, 34723, 53420, 69446, 109511, 138892, 173615, 219022, 347230, 438044, 547555, 694460, 1095110, 1423643, 2190220, 2847286, 5694572, 7118215, 14236430, 28472860]

約数ペア:

[(1, 28472860), (2, 14236430), (4, 7118215), (5, 5694572), (10, 2847286), (13, 2190220), (20, 1423643), (26, 1095110), (41, 694460), (52, 547555), (65, 438044), (82, 347230), (130, 219022), (164, 173615), (205, 138892), (260, 109511), (410, 69446), (533, 53420), (820, 34723), (1066, 26710), (2132, 13355), (2665, 10684), (2671, 10660), (5330, 5342)]