39748475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 57600480

約数和(自身を除く): 17852005

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 157, 205, 247, 325, 475, 533, 779, 785, 1025, 1235, 2041, 2665, 2983, 3895, 3925, 6175, 6437, 10127, 10205, 13325, 14915, 19475, 32185, 38779, 50635, 51025, 74575, 83681, 122303, 160925, 193895, 253175, 418405, 611515, 969475, 1589939, 2092025, 3057575, 7949695, 39748475]

約数ペア:

[(1, 39748475), (5, 7949695), (13, 3057575), (19, 2092025), (25, 1589939), (41, 969475), (65, 611515), (95, 418405), (157, 253175), (205, 193895), (247, 160925), (325, 122303), (475, 83681), (533, 74575), (779, 51025), (785, 50635), (1025, 38779), (1235, 32185), (2041, 19475), (2665, 14915), (2983, 13325), (3895, 10205), (3925, 10127), (6175, 6437)]