39995475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 79994880

約数和(自身を除く): 39999405

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 51, 57, 65, 75, 85, 95, 127, 195, 221, 247, 255, 285, 323, 325, 381, 425, 475, 635, 663, 741, 969, 975, 1105, 1235, 1275, 1425, 1615, 1651, 1905, 2159, 2413, 3175, 3315, 3705, 4199, 4845, 4953, 5525, 6175, 6477, 7239, 8075, 8255, 9525, 10795, 12065, 12597, 16575, 18525, 20995, 24225, 24765, 28067, 31369, 32385, 36195, 41021, 41275, 53975, 60325, 62985, 84201, 94107, 104975, 123063, 123825, 140335, 156845, 161925, 180975, 205105, 314925, 421005, 470535, 533273, 615315, 701675, 784225, 1025525, 1599819, 2105025, 2352675, 2666365, 3076575, 7999095, 13331825, 39995475]

約数ペア:

[(1, 39995475), (3, 13331825), (5, 7999095), (13, 3076575), (15, 2666365), (17, 2352675), (19, 2105025), (25, 1599819), (39, 1025525), (51, 784225), (57, 701675), (65, 615315), (75, 533273), (85, 470535), (95, 421005), (127, 314925), (195, 205105), (221, 180975), (247, 161925), (255, 156845), (285, 140335), (323, 123825), (325, 123063), (381, 104975), (425, 94107), (475, 84201), (635, 62985), (663, 60325), (741, 53975), (969, 41275), (975, 41021), (1105, 36195), (1235, 32385), (1275, 31369), (1425, 28067), (1615, 24765), (1651, 24225), (1905, 20995), (2159, 18525), (2413, 16575), (3175, 12597), (3315, 12065), (3705, 10795), (4199, 9525), (4845, 8255), (4953, 8075), (5525, 7239), (6175, 6477)]