38980175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 55496448

約数和(自身を除く): 16516273

約数列:

[1, 5, 13, 25, 31, 53, 65, 73, 155, 265, 325, 365, 403, 689, 775, 949, 1325, 1643, 1825, 2015, 2263, 3445, 3869, 4745, 8215, 10075, 11315, 17225, 19345, 21359, 23725, 29419, 41075, 50297, 56575, 96725, 106795, 119939, 147095, 251485, 533975, 599695, 735475, 1257425, 1559207, 2998475, 7796035, 38980175]

約数ペア:

[(1, 38980175), (5, 7796035), (13, 2998475), (25, 1559207), (31, 1257425), (53, 735475), (65, 599695), (73, 533975), (155, 251485), (265, 147095), (325, 119939), (365, 106795), (403, 96725), (689, 56575), (775, 50297), (949, 41075), (1325, 29419), (1643, 23725), (1825, 21359), (2015, 19345), (2263, 17225), (3445, 11315), (3869, 10075), (4745, 8215)]