27785290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 55615896

約数和(自身を除く): 27830606

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 338, 401, 410, 533, 802, 845, 1066, 1690, 2005, 2665, 4010, 5213, 5330, 6929, 10426, 13858, 16441, 26065, 32882, 34645, 52130, 67769, 69290, 82205, 135538, 164410, 213733, 338845, 427466, 677690, 1068665, 2137330, 2778529, 5557058, 13892645, 27785290]

約数ペア:

[(1, 27785290), (2, 13892645), (5, 5557058), (10, 2778529), (13, 2137330), (26, 1068665), (41, 677690), (65, 427466), (82, 338845), (130, 213733), (169, 164410), (205, 135538), (338, 82205), (401, 69290), (410, 67769), (533, 52130), (802, 34645), (845, 32882), (1066, 26065), (1690, 16441), (2005, 13858), (2665, 10426), (4010, 6929), (5213, 5330)]